If he keeps on working so hard, he will sooner or later.
| A．break off | B．break up | C．break out | D．break down |
14. Give the book to wants it.
| A．who | B．whoever | C．no matter who | D．whomever |
13. English we must work hard at it.
| A．So as to master | B．Mastering | C．Mastered | D．To master |
12. He said he was not optimistic the future of that country.
| A．of | B．with | C．on | D．about |
11. The little boy many questions at me, leaving me embarrassed.
| A．cut | B．made | C．fired | D．loaded |
10. -----Can you attend the meeting tonight?
-----No,the manager about something important.
| A．I will have seen | B．I’ll be seeing | C．I should see | D．I have seen |