I really don’t know how to thank you , but for your help, I ______ my lost necklace．
| A．couldn’t have found | B．mustn’t have found |
| C．couldn’t find | D．wouldn’t find |
The manager decided to give the job to ____ he believed had a strong sense of duty.
| A．whoever | B．whomever | C．who | D．those |
The factory produced many famous cars, none of ____ shipped to foreign countries.
| A．them | B．which | C．it | D．what |
---Good evening. I _______ to see Miss Mary.
---Oh, good evening. I’m sorry, but she is not in.
| A．came | B．come | C．have come | D．had come |
Nowadays________Internet is becoming increasingly popular and new high speed broadband network was recently started.
| A．a; the | B．the; a | C．a; a | D．the; the |
Lei Feng is always ready to help others when they are in trouble and he never _______ their request.
| A．turns up | B．turns over | C．turns in | D．turns down |