1.__________pity! I missed ________ one﹣hour speech by President Xi Jinping yesterday.
A.What; an
B.How; an
C.What a; the
D.How; the
【解析】根据__________pity! I missed ________ one﹣hour speech by President Xi Jinping yesterday.可知这里what a pity是一个固定说法，这里speech表特指，用定冠词the.故选：C.
2.﹣﹣Oh， dear! A power cut!
﹣﹣Sorry， I didn't know you _________the washing machine.
A.used
B.are using
C.to use
D.were using
【解析】﹣﹣哦，天哪，停电了!﹣﹣抱歉，我不知道你正在用洗衣机.结合语境推测句意是"﹣﹣哦，天哪，停电了!﹣﹣抱歉，我不知道你正在用洗衣机."，判断设空处的动作在过去某个时间段内正在进行着，且动作在一段时间内持续进行，所以用过去进行时，过去进行时的构成是：主语+was/were+动词的现在分词.故选：D.
3.﹣I can't find the magazine I bought this morning.
﹣Well，Jack is reading _____over there.Why not go and see if it is yours?
A.it
B.that
C.one
D.some
【解析】答案：C.根据语境可知，"答者"不知道Jack读的是不是"问者"的杂志，故可排除A和B; one 可指同类不同物的一个东西，some可指一些东西与语境不符，故答案应为C
4.Could you help me with housework _____you are free today?
A.since
B.though
C.unless
D.until
【解析】根据设空处前的句意"你能帮我做家务吗?"和后面的"你今天有空"可以推测选项中的since可以把连个句子连起来，构成句子的句意是"既然你今天有空，你能帮我做家务吗?"，表示"既然"用since;故选A
5. If people ___________ the traffic rules，there w
ill be fewer traffic jams and accidents.
A.Will obey
B.obey
C.break
D.will break
【解析】根据选项的意思obey"遵守"、break"破坏"，结合后半句的意思"交通堵塞和交通事故就会减少".可推知应该是遵守交通规则，故填入谓语动词obey的正确形式，根据该句为含有if引导的条件状语从句的复合句，主句为一般将来时态，从句为一般现在时态表将来，根据主语为people，故谓语动词填入obey的动词原形.故选：B.
6.﹣We've got everything ready for the picnic.
﹣Do you mean I______bring anything with me?
A.can't
B.mustn't
C.couldn't
D.needn't
【解析】答案：D.can't不可能;mustn't不可以;couldn't不可能;needn't不必.在请求语句里面couldn't比can't较委婉，can't表示推测时，意思是"不可能…"，语气非常坚决的否定推测.根据We've got everything ready for the picnic，可知我们已经准备好了野餐的一切了，所以你不必带任何东西了.needn't不必.故选D.
7.﹣﹣When will you fly to London?
﹣﹣Pardon?
﹣﹣I asked __________fly to London.
A.whether you will
B.whether you would
C.when you will
D.when you would
【解析】宾语从句要用陈述语序，结合句意"我问你什么时候乘飞机去伦敦."可知，要用过去将来时，要用when引导宾语从句.故选：D.
8.It's never too old to learn. Mr. Smith began to learn English in his _______.
A.the ninetieth
B.nineties
C.ninetieth
D.nintieth
【解析】根据题干结合选项判断句意是"活到老学到老.史密斯先生九十岁时开始学习英语."，判断本题考查"在某人……岁左右时 "的表达，应该使用短语：in one's+表示整十的基数词的复数， ninety的复数形式是nineties.故选：B.
9.﹣﹣Don't drop litter in the river.It will pollute the river.
﹣﹣_____________.
A.It doesn't matter
B.Sorry， I won't
C.I'd love to
D.You'd better not
【解析】考查情境对话.A.It doesn't matter没关系;B.Sorry， I won't 对不起，我不会了. C.I'd love to我很乐意.D.You'd better not你最好不要.根据题干Don't drop litter in the river.It will pollute the river.可知应说对不起，我不会了.故选：B.
10.The Twelve Feng Taste II is really a great ________.Many cooking﹣lovers wait to watch it every Saturday night.
A.failure
B.success
C.award
D.progress
【解析】答案：B.考查名词.句意"十二道锋味二真的很成功，很多烹饪爱好者都在星期六晚上看它.".A失败.B成功.C奖品.D进步.结合语境"很多烹饪爱好者都在星期六晚上看它."，可知，应该是很成功.选B.
11.﹣Have you ever heard of Cao Wenxuan，a writer from Jiangsu?
﹣Of course.______，he is a good friend of my father's.
A.I mean
B.That is to say
C.Above all
D.Believe it or not
【解析】首先明确各选项中句子的意思，A：我的意思是;B：换句话说;C：最重要的是;D：信不信由你;根据前面一个人表达的意思是"你听说过曹文轩吗?一个来自江苏的作家."和答语中的"he is a good friend of my father's"，确定设空处应该填"信不信由你". 故选D
12.﹣﹣Julia said she sent you a birthday card yesterday.Have you got it?
﹣﹣Oh really! I haven't___________ my mailbox yet.
A.examined
B.reviewed
C.tested
D.checked
【解析】A表示检查，主要指检查身体;B表示回顾;C表示测试;D表示检查，主要指检查某种情况.此处表示的是检查我的邮箱，用check.故选：D.
13.The boy 1ooked through his paper again_________ that there's no mistake.
A.make sure
B.making sure
C.to make sure
D.makes sure
【解析】根据The boy 1ooked through his paper again_________ that there's no mistake，可知句子使用to引导的不定式短语表目的.故选：C.
14.﹣﹣﹣Volunteers from Lantian Saving Team have saved many travelers in the mountains.
﹣﹣﹣_______.
A.How great a man
B.How great men
C.What a great man
D.What great men
【解析】根据Volunteers可知这里是一个名词复数形式，所以下面句子中出现的名词man应该相应的用复数形式，选项AC是单数形式，排除掉;再根据 great men，可知这里中心词是men，它是一个名词复数形式，great 在这里修饰men，根据What+形容词+可数名词复数/不可数名词+主语+谓语!故选D.
15.I didn't accept his help______I wanted to try it myself.
A.because
B.though
C.until
D.unless
【解析】答案：A;because因为;though虽然;until直到;unless除非;根据句中信息可知"I wanted to try it myself"是"I didn't accept his help"的原因，用because引导;故选A.
，我们将会及时处理。
