I don’t know ____ he does.
A: who
B: what
C: which
A: who
B: what
C: which
举一反三
- I don’t know _____ he is. A: whose B: who C: which
- I don't know ______. A: who is he B: who he is C: he is who
- —Who is he Is he our new teacher —I’m sorry. I don’t know ______ and ______ he is. A: who; what B: who; how C: how; what D: where; how
- I don’t know _____ he will be back home. A: who B: what C: when D: where
- I don’t know _______. A: where he lives B: what is he doing C: where does he live D: how he do it