—What field will your son go into after graduation from Nanjing University?
—I’m not quite certain, but he ____ a good teacher of English.
| A．promises | B．becomes | C．makes | D．proves |
. The careless man received a ticket for speeding. He ___ so fast.
| A．mustn't have driven | B．wouldn't have driven |
| C．can't have driven | D．shouldn't have driven |
This is____ a difficult problem ____ all of us can't work it out.
| A．such; that | B．so; that | C．such; as | D．so; as |
Only when ____in the afternoon _____able to leave.
| A．the match was over; they were | B．was the match over; were they |
| C．was the match over; they were | D．the match was over; were they |
---- I usually take a walk at night.
---- ___ do that.
| A．Better not | B．You'd better not to | C．You hadn't better | D．Best not to |
Look at the trouble I am in! If only I ____your advice．
| A．followed | B．would follow | C．had followed | D．should follow |