the test system, rather than the teachers,_______ is to blame for the students’ heavy burden nowadays.

Scarcely had they settled themselves intheir seats in the theatre ______ the curtain went up.

Did you see Betty just now— Yes. She _____ someone, so I nodded to her and went away.

__ the thick trees, the bitter windwould have blown the house t pieces

I thinkyour health will soon ______ if you have a holiday on the seaside