问题

I’m not sure ______ he will win the game or not.
A:that
B:if
C:why
D:Whether;
B:if
C:why
D:Whether;
正确答案是:
同类题型
Early ___the morning of May 1, we started off___the mountain village
Do you know the man over there—Yes. I ________ him several times since last month.[
To my surprise, at yesterday’s meeting he again _________the plan that didn’t sound reasonable.
It is so dark tonight, Mum.—Yes, this is just we can enjoy brilliant stars in the sky.[ ]