0  274558  274566  274572  274576  274582  274584  274588  274594  274596  274602  274608  274612  274614  274618  274624  274626  274632  274636  274638  274642  274644  274648  274650  274652  274653  274654  274656  274657  274658  274660  274662  274666  274668  274672  274674  274678  274684  274686  274692  274696  274698  274702  274708  274714  274716  274722  274726  274728  274734  274738  274744  274752  447090 

32.Living in the desert involves a lot of problems,    water shortage is the worst.

    A.of which       B.when          C.of whose       D.Which

试题详情

31.Only when you have obtained enough data      come to a sound conclusion.

    A.can you        B.you can        C.would you      D.you would

试题详情

30.Lessons    easily are soon forgotten.

    A.1earn          B.learned         C.to learn        D.learning

试题详情

29.If the building project     by the end of this month is delayed,the construction company

    will be fined.

    A.being completed B.completed       C.to be completed   D. completing

试题详情

28.I usually do the washing up and leave the cooking to my wife,     she’s a better cook   than me.

A.unless         B.as            C.even though     D.in case

试题详情

27.Many new workers    and in six month they will be sent to build a new railway.

    A.are being trained  B.are training     C.will train        D.will be trained

试题详情

26.-Oh, I     your camera. Is it all right if I bring it to you tomorrow?

    -All right.

    A.forget          B.have forgotten    C.forgot         D.had forgotten

试题详情

25.Was it because she was ill    she didn’t go to attend the meeting?

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

试题详情

24.The machine has been used for several years. It needs    .

    A.to repair        B.repaired        C.repair          D.repairing

试题详情

23.Be quiet    you will wake the whole house!

    A.or            B.and           C.so            D.but

试题详情


同步练习册答案