--I would why he ____so strangely these days.
--Recent pressure at study may account for his behavior.
| A．was acting | B．is acting | C．acted | D．acts |
－How could I thank you enough?－Don’t mention it. Any other man __________ that.
| A．must do | B．could do | C．would have done | D．should have done |
—There were not many people in the concert yesterday. —Pop music isn’t ________.
| A．to everyone’s taste | B．to everyone’s joy |
| C．to someone’s measure | D．to anyone’s surprise |
— Mike got “F” in his history test.一 ? He has been working so hard on it.
| A．How come | B．So what | C．What for | D．Why not |
— _________ was it _________ they discovered the entrance to the underground palace？
— Totally by chance.
| A．What; that | B．How; that | C．When; how | D．Where; that |
Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.
| A．improve | B．to improve | C．improving | D．to improving |