They were surprised that a child could work out the problem____they themselves couldn't.
| A.once | B.while | C.then | D.if | 
The poems said________by Sean Cannery will be published next year.
| A.having written | B.written | C.to have been written | D.having been written | 
--- What do you think if we put both John and Jack in charge of the work?
  --- Just John is OK. ________, you know.
| A.Every dog has his day | 
| B.Everybody’s business is nobody’s business | 
| C.Fools have fortune | 
| D.Great hopes make great men | 
Passengers, don’t occupy the chairs with your luggage, ________?
| A.don’t you | B.will they | C.don’t they | D.will you | 
---Are we going sightseeing next week?
  ---No. The plan________at the second meeting.
| A.had cancelled | B.was cancelled | C.has been cancelled | D.would cancel | 
Though they lost the game, a small but_____crowd cheered as the players came off the court.
| A.desperate | B.enthusiastic | C.anxious | D.critical |