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
A: was doing
B: am doing
C: have done
D: had been doing
举一反三
- I’ll go to the classroom as soon as I finish what I _____. A: am doing B: was doing C: am done D: have done
- Where's the book I gave you? What ____ with it? A: have you done B: are you doing C: have you been doing
- I shall tell you what he ____at three o’clock yesterday afternoon. A: has done B: has been done C: had been doing D: was doing
- I'm sorry for what I_____________. A: do B: did C: have done D: am doing
- I shall tell you what he （） at three o’clock yesterday afternoon. A: was doing B: did C: had been doing D: has done