_________, the world would be more harmonious.
| A．Weren't there any wars | B．There weren't any wars |
| C．Were there no wars | D．Had there no wars |
Everyone must ___ their notebooks on the desk while taking an English exam.
| A．put away | B．put down | C．put off | D．put up |
He is rather difficult to make friends with, but the friendship of his, _____, is truer than that of anybody else’s.
| A．while gained | B．when to gain | C．after gaining | D．once gained |
The wrong you’ve done to her is terrible, ____ you should make an apology to her, I think.
| A．for which | B．about which | C．of which | D．with which |
---- Jerry won first prize in the vocabulary contest!
---- ______ I guess there must be another Jerry in the contest!
| A．Definitely! | B．Congratulations! | C．Go ahead. | D．You can’t be serious |
To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.
| A．to take | B．to have taken | C．having taken | D．taking |