I don't know ______ I can come or not.
A: whether
B: B. if
C: C. that
D: D. what
A: whether
B: B. if
C: C. that
D: D. what
举一反三
- I don't know ______ I can come or not. A: whether B: if C: that D: what
- I don’t know ________ he will come or not. A: if B: whether C: that D: what
- I don't know _______ she will come or not. A: what B: who C: when D: whether
- I don't know ______ he will come or not. A: if B: whether C: when
- I don't know _ I can help you. A: whether B: what C: that D: this