1 . --He asked Tom, “Have you finished your homework?”
--He asked Tom________.

A．if had he finished his homework.

B．whether he had finished his homework.

C．if he had finshed homework.

D．if you had finished your hoework.

2 . You should be more confident in______ situation is challenging you.

A．wherever

B．whenever

C．however

D．whatever

3 . ----Do you doubt _______ she can run the race?
---- Yes, I doubt _______ she can run against Liu Xiang

A．that; whether

B．whether; that

C．that; that

D．whether; if

4 . —Why did he say so?
—Sorry, I don’t understand        he has said means.

A．all what

B．what all

C．all that

D．that all