问题
There is no doubt ________ he will succeed.
A:whether
B:which
C:that
D:if
B:which
C:that
D:if
正确答案是：
同类题型
What do you think of the news—The news ________terrible. But we are ________in it.
Advertisersarenowforbiddento__________thepublicwithfalseclaims.
What’s that —It is ____ model plane.
_______ on earth is it _______ has eaten upall the leaves of these young trees in just one night
Lily and Jim are in the same school. ________________school is very nice.