is uncertain whether he can come to Jenny‘s birthday party or not.
举一反三
- It doesn' t matter _____he' s come back or not. A: if B: whether C: that D: when
- I doubt ______. A: whether he can come B: if he can come or not C: while he will be here D: that he will come
- It does not matter ( ) he will come or not. A: whether B: if C: what D: that
- I don't know ______ he will come or not. A: if B: whether C: when
- —I hope you _____ my birthday party next Sunday.—OK, I _____. A: to come；will B: to come to；am C: can come to；will D: can come to；am