Great changes _____ in the last twenty years in China.
| A．took place | B．have taken place |
| C．were taking place | D．have been taken place |
___________child as she is,she find in____ surprise that she knows a lot of English words.
| A．A;the | B．the ;the | C．/;/ | D．A;/ |
Is it John that is being scolded in the manager’s office?
No. It ______ be him. I saw him on the way just now.
| A．mustn’t | B．won’t | C．can’t | D．may not |
．________ be sent to work in Beijing?
| A．Do you suggest who should | B．Do you suggest whom should |
| C．Who do you suggest | D．Who do you suggest would |
．The forest guard often find campfires that had not been _______ completely.
| A．turned down | B．put out | C．put away | D．turned over |
Every means has been _______. No one is effective.
| A．trying out | B．tried out | C．trying in | D．tried on |