He finally won the general election because many of his promises were quite popular _____ the voters.
| A．for | B．in | C．to | D．with |
My brother’s irresponsible behavior_______ my mother many sleepless nights.
| A．paid | B．spent |
| C．cost | D．took |
–Which is _______more developed country, the United States or Canada?
–The former in_______ way.
| A．a; a | B．the; the |
| C．the; a | D．a; the |
The safety helmet saved the worker; otherwise, he_______ by a flying object.
| A．would be killed | B．would have been killed |
| C．was killed | D．had been killed |
This project _____ considered thoroughly, and I’m sure it _____ finished on time.
| A．must be; may be | B．should be; can be |
| C．may be; must be | D．can be; should be |
–Were they late for the play?
–Not really. As soon as they_______ themselves in their seats in the theatre, the curtain_______ .
| A．settled; went up | B．settled; had gone up |
| C．were settling; had gone up | D．were settled; went up |