The guards caught the spy and _____ him very carefully.
A. searched for B. searched C. look for D. asked for
I have no doubt _____ he will get the first place in the competition.
A. whether B. if C. that D. About
He’s given me so much help that I really want to do something for him _____.
A. in turn B. by turns C. in return D. in answer
The heavy rain has lasted for several days and the river has______ by 30 centimeters.
A. risen B. raised C. arisen D. lifted
It seems that the young man and the lady have little __________.
A. in common B. on common C. at common D. with common
Do you know how many people ______ up to now?
A. have invited B. have been invited C. had invited D. had been invited
