新世纪新阶段，党中央抓住重要战略机遇期，强调坚持以人为本、全面协调可持续发展，提出构建社会主义

A.that

B.because

C./

D.which

Does ______ matter if he can't pass the final examination？

A．it

B．this

C．that

D．he

He didn't pass the exam ______ that he hadn't studied hard.

A．on

B．×

C．in

D．up to

A．Because he lost his English textbook.

B．Because he didn't get good marks in the last examination.

C．Because he failed in the last English examination.

D．Because he did not attend the last English test.

I don't doubt______ he will pass the examination.

A．whether

B．when

C．that

D．why

Does ______ matter if he can't pass the final examination？

A．it

B．this

C．that

D．he

Why didn't the man pass the exam？

[ A] He didn't make full preparations.

[B] He copied Smith's paper.

[ C] Nobody helped him.

He didn't ______ and he failed the examination.

A．work enough hard

B．work hard enough

C．hard work enough

D．hard enough work

(fortunate) ______ , he failed to pass the examination.

I don't doubt______ he will pass the examination.

A．whether

B．when

C．that

D．why