A.see
B.had seen
C.saw
D.have seen
[试题]It' high time that we______(do)something to stop pollution.
[试题]If only we______(have)a phone! I'm tired of waiting outside the public phone box.
[问答题]I’m sure we’ll have a good time
[单选题]I first met Lisa three years ago when we ________ at a radio station together.A.have worked B.had been working C.were working D.had worked
[试题]ItwasthefirsttimethatsuchahadtobetakenataBritishnuclearpowerstation.A)presentationB)preparationC)predictionD)precaution
[单选题]This is the first time that a woman has been______to the post.A.grantedB.praisedC.pointedD.appointed
[单选题]If over a period of time, the oi1 film partially disappears, so that dry areas are formed on the cylinder wall, these areas and the piston surfaces will by frictional interaction, become finely scuffed and hardened, iegood mirror surface" will have
[问答题]I'm sure we'll have a good time.
[单选题]______ the project in time, the staff were working at weekends.A. Competing B. Having completedC. To have completed D. To complete
[单选题]F.rom the first paragraph, we learn that ______.A. the number of prisoners in America is increasingB. America has the largest prison in the worldC. crime in America is getting much more seriousD. it is easy for a person to be locked up in America