It's ______ he 'll be able to come.
A: doubt whether
B: doubtful whether
C: doubt if
D: doubtful that
A: doubt whether
B: doubtful whether
C: doubt if
D: doubtful that
举一反三
- There is no doubt ______ he'll come. A: that B: whether C: of D: about
- It is ________(doubt) whether he will come.
- There is some doubt he will come. A: that B: which C: whether D: if
- 17. I don't doubt ________ he'll come. A: A. that B: B. if C: C. what D: D. whether
- There is no doubt ______ he will come soon.(1.0) A: which B: if C: whether D: that