问题
I don’t doubt ______ he will pass the tomorrow’s exam.
A:that
B:whether
C:if
D:which
B:whether
C:if
D:which
正确答案是：
同类题型
Millie is getting on well with her friends but she is a little selfish _____.
That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.
You have been to Beijing. How long _______ you ______ there/
…Is thisbook you were talking about yesterday? …Yes，thank you very much.