12.I found ____ impossible to arrive at the airport before 12o'clock by bike. [ ]
A.it B.it is
C.this D.that
11.I have two bikes, ____ are broken. [ ]
A.all of them B.both of them
C.all of which D.both of which
10.He is free to do ____ he likes [ ]
A.when B.what
C.which D.that
9.Could you explain ____ ? [ ]
A.the sentence for us B.for us the sentence
C.the sentence to us D.us the sentence
8.She refused ____ use her dictionary. [ ]
A.to let m B.me to
C.me using D.letting me
7.You should learn ____ English by practising ____ . [ ]
A.spoken…spoken B.speaking…to speak
C.speaking…speaking D.spoken…speaking
6.Would you like some sugar ____ your coffee? [ ]
A.adding… to B.to add… to
C.to add… in D.adding… in
5.operate [ ]
A.host B.poem
C.soft D.studio
B) 从A、B、C、D中选出可以填入空白处的最佳答案.
4.extra [ ]
A.exercise B.excuse
C.expect D.expensive
3.idea [ ]
A.repeat B.ocean
C.theatre D.ahead