2012英语四级语法讲义大全：各类句子综合性练习六

26、                     is unknown to us all.

       A．Where did she put it                  B．Where she put it

       C．That where she put it                 D．In which she put it

27、                     nothing to do with us.

       A．What she did have                            B．What she did is

       C．What did she do has                   D．What she has done has

28、The trouble is                     we are short of hands.

       A．what        B．that                C．how                D．which

29、Energy is                     makes things work.

       A．what        B．everything      C．something      D．that

30、My hometown is not                  it used to                     ten years ago.

       A．when; do        B．what; do         C．what; be         D．when; be

26、B  27、D  28、B  29、A  30、C