I don't know ( )_ they have passed the exam.
A: what
B: if
C: when
D: where
A: what
B: if
C: when
D: where
举一反三
- I don't know [u] [/u] they have passed the exam. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: what B: if C: when D: where
- 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 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
- The news ______ I have passed the exam is true. A: that B: it C: where D: who