I don’t know ______ Peter is.
A: which
B: when
C: where
A: which
B: when
C: where
举一反三
- I don’t know _____ he is. A: whose B: who C: which
- I really don’t know ________ I had my money stolen. A: when was it that B: that it was when C: it was where that D: where it was that
- I don't know ______ way I should take. (which, where)
- Many Americans probably don't know where China is.
- I don’t know the place ______ they are living. A: that B: which C: where D: why