Ⅲ.单项填空
1. The teacher told us that light________faster than sound.
A.traveled B.had traveled
C.is traveling D.travels
解析 句意：老师告诉我们：光比声音速度快。从句中陈述的是客观真理，所以用一般现在时。
答案 D
2.—What were you doing when Lucy________in yesterday?
—I had just finished my homework and________to take a shower.
A.dropped; was starting B.had dropped; started
C.dropped; have started D.dropping; start
解析 句意：——昨天Lucy来访的时候你在于什么?——我(那时)刚写完作业正要开始洗澡。第一空后面有yesterday所以用一般过去时;第二空强调那时正要做某事。
答案 A
3. I________to go for a walk，but someone called and I couldn't get away.
A.was planning B.planned
C.had planned D.would plan
解析 句意：我本打算去散步，但是有人打电话，所以我没能去。plan在called和couldn't之前发生的动作，所以用过去完成时。
答案 C
4.—Thank God! It's a fine day. The rain________!
—But I don't know how long it will stay fine.
A.is stopping B.has stopped
C.stopped D.will stop
解析 句意：——感谢上帝!天气很好，雨停了!——但我不知道好天气能持续多久。从It's a fine day.可知，现在天气很好，因此用现在完成时，表示对现在的影响。
答案 B
5.—Mom，where is my lunch pack?
—Just where it________.
A.has been B.had been
C.was D.be
解析 句意：——妈妈，我的午饭盒在哪里?——在老地方。A项的现在完成时表述的是现在的情况，而B项表述的是“过去的过去”，这两项都与题意不符;用一般过去时表述原来的地方。
答案 C
6. We________for cheap houses but haven't found________we like yet.
A.have been looking; one
B.have looked; it
C.are looking; one
D.looked; them
解析 句意：我们一直在找便宜房子，但是(到现在)仍未找到我们喜欢的(一所房子)。根据语境可知，找房子这一动作一直在进行，所以用现在完成进行时指过去开始的动作一直持续到现在;第二空：one指代a+前面提到的名词，即：a house。
答案 A
7. The places of interest in Xi'an attract my family all the time, and I hope we________ourselves this time next year.
A.are enjoying B.are to enjoy
C.will enjoy D.will be enjoying
解析 句意：西安的名胜古迹一直吸引着我们一家人，我希望明年的这个时候我们正在游玩。时间状语this time next year提示该句为将来某一时间正在进行的动作，故使用将来进行时。
答案 D
8. All the Harry Potter books by Joanne Rowling, a poor single mother________in Edinburgh，________all over the world.
A.lives; are well sold B.lives; sell good
C.living; sell well D.living; are well sold
解析 句意：Joanne Rowling，住在爱丁堡的一个贫穷的单亲母亲，写的所有《哈利·波特》的书在全世界都很畅销。句子主干为：All the Harry Potter books sell well.第一空living是现在分词表主动含义，作定语修饰mother;第二空为主句的谓语动词，sell表示事物的属性，所以用主动形式;另外，用副词well修饰动词。
答案 C
9. In the past twelve months the research members________the effectiveness of many materials in a house building.
A.had studied B.have studied
C. studied D.would study
解析 句意：在过去的十二个月里，研究人员研究了许多家装材料的效能。“in the past/last +一段时间”在过去的一段时间里，与现在完成时连用。
答案 B
10. Now that we________all the money, it's no use turning on me and saying it's all my fault.
A.had lost B.lost
C.have lost D.lose
解析 句意：既然我们已经把所有的钱都丢了，那么攻击我并说完全是我的过错也没有意义了。根据语境可知此处要用现在完成时强调“现在的结果(钱已经丢了)”。
答案 C
