I thought Father would be better, but _______it is, he is getting worse, which makes me more worried.

A. before                B. as               C. because            D. after

He’s trained hard for the last two years. It is ______ he did so well at the track and field meet yesterday.

    A. no problem       B. no wonder        C. no doubt         D. no way

—It is _______he often fails in exams_______ makes his parents worried about him.

—So, he has to work whole-heartedly.

A. what, that          B. that, what         C. that, that              D. /, that

I thought Father would be better, but ______it is, he is getting worse, which makes me more worried.

“How long do you suppose it is _______ he left for Japan?” “No more than half a month.”

A. when  B. before

C. after   D. since