— I dropped in at your house at about ten last night, but you weren’t in. — I regular exercises at the club.
A: did
B: was doing
C: had done
D: have been doing
A: did
B: was doing
C: had done
D: have been doing
举一反三
- 中国大学MOOC: —I dropped in at your house at about ten last night, but you weren’t in. —I regular exercises at the club.
- I’m rather tied, I __________since this morning. A: was doing housework B: have done house work C: did house work D: have been doing house work
- What _____ last night when I phoned you? I thought you sounded a bit strange. A: did you do B: were you doing C: had you done
- ______ for your advice, I would have been taken in. A: Had it not B: B. Had it not been C: If it had not D: Weren’t it
- I'll go to the library as soon as I finish what I ______. A: was doing B: am doing C: have done D: had been doing