28、With a lot of mathematical problems __________, Marry went to bed.
A. solve B. solved C. solving D. to solve
27、Never before__________ such a smoke in the room.
A. have I read B. did I read C. do I read D. am I reading
26、We accepted the suggestion that ________ put forward by Jack at the meeting yesterday.
A. was B. should be C. would be D. be
25、As we all know，there is ________electric field inside ________earth.
A．an；不填 B．an；the C．the；the D．不填；不填
24、一Is Johnson on duty today?
一It ________be him．It’s my turn.
A．may not B．won’t C．mustn’t D．can’t
23、There are a lot of spelling mistakes；________it’s quite a good article.
A．even so B．even though C．though D．instead
22、_________money，it remains to be seen whether we can put the idea into practice.
A．Lacking B．Lacked C．To lack D．Having lacked
21、The job is great ________salary．It has its disadvantages，though．
A．in case of B．as a result of
C．in terms of D．except for
20、—Can I use your car?
—I’m terribly sorry．It________，and I have been walking to work recently.
A．didn’t work B．hasn’t worked
C．doesn’t work D．won’t work
19、In that country，August 31st is a national festival ________ everyone，men and women，old and young，sings and dances happily in the streets.
A．where B．when C．that D．as