I don't know if I'll come or not. It all depends _______ how tired I feel this evening.
A: on
B: at
C: about
D: towards
A: on
B: at
C: about
D: towards
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: when
- 中国大学MOOC: I don’t know ________ he will come or not.
- I don’t know ________ he will come or not. A: if B: whether C: that D: what
- I don't know ______ I can come or not. A: whether B: B. if C: C. that D: D. what