They ______ the project under way by the time the leadership decided to cancel it.
A: have put
B: put
C: had put
D: were putting
A: have put
B: put
C: had put
D: were putting
举一反三
- I remember _______ the key in the box under the bed, but it’s not there! A: putting B: to put C: put D: being put
- I’ve forgotten where ________ the keys. A: put B: putting C: to put D: have put
- I've forgotten where ( ) the key. A: put B: to put C: putting D: have put
- My sister must have forgotten （）gasoline in the car A: to putting B: to have put C: putting D: to put
- Quite a few tall buildings _______in the last two years. A: have been put up B: were put up C: had put up D: put up