I don’t know ________ he will come or not.
A: if
B: whether
C: that
D: what
A: if
B: whether
C: that
D: what
举一反三
- I don't know ______ he will come or not. A: if B: whether C: when
- I don't know ______ I can come or not. A: whether B: if 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 ______ I can come or not. A: whether B: B. if C: C. that D: D. what
- I don’t know ___ he could finish the job on time or not. A: why B: whether C: if D: what