I don’t know ____ I should say.
A: what
B: where
C: who
D: that
A: what
B: where
C: who
D: that
举一反三
- I don’t know _____ he will be back home. A: who B: what C: when D: where
- I don't know the man is cleaning the door. A: when B: where C: what D: who
- I don't know ______ way I should take. (which, where)
- —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 really don't know _______. A: I should do next B: what should I do next C: what I should do next D: how I should do next