1. After leaving the frightening class, my heart was still _____ fast.

A. hitting B. jumping C. beating D. striking

2. —_____ you discuss the problem with him so late in the evening?

— Oh, sorry. I forgot what time it was.

A. Must  B. Should    C. can  D. Dare

3. Jim’s company really has too many problems, but I hope everything will ______ all right.

A. turn up B. turn out  C. turn on D. turn down