问题
I don’t know______ he will come tomorrow. ______ he comes, I’ll tell you.
A:if, Whether
B:whether, Whether
C:if, That
D:if, if;
B:whether, Whether
C:if, That
D:if, if;
正确答案是：
同类题型
From her ______ expression, we know that she didn’t understand the meaning. [ ]
stayed inside himself, ______ to be alone, or ina corner of the cabin.
Do you know why the teacher asks for me ? — He wants you to _____ your absence last night.
ot necessary to explain the truth____ there is spring wind, there is green grass