-You were not in when I came over to your house.
-Oh, I ____________ for a friend from England at the airport.
A. was waitingB. had waitedC. am waitingD. have waited
He looked around and caught a man __________ his hand into the pocket of a passenger.
A. putB. to be puttingC. puttingD. to put
What a kind teacher. But for his help, I __________ my study.
A. wouldn’t finishB. wouldn’t have finished
C. shouldn’t have finishedD. mustn’t have finished
He seems too tired today, and I wonder _________ he got a good sleep last night.
A. whenB. thatC. ifD. where
I ____________ you not to move my dictionary—now I can’t find it.
A. askedB. askC. was askingD. had asked
Math is ___________ me. I can never get high grades.
A. overB. beyondC. belowD. behind
