Isn't it very kind __________ your parents to do that for us?
A. for B to C. about D. of
The director asked me to finish this task by Sunday．How can I ____to?
| A．attempt | B．manage | C．decide | D．happen |
The letter Mary had looked forward to ____her last night and she was very excited．
| A．reached | B．reaching ' | C．had reached | D．has reached |
The news shocked the whole nation ____a strong earthquake hit Yushu on Apr．14, 2010．
| A．what | B．when | C．that | D．which |
You ____be tired—you have worked only for ten minutes．
| A．won't | B．mustn't | C．needn't | D．can't |
—Tom lost his job last week．
—___he is wandering in the street these days．
| A．No doubt | B．No way | C．No wonder | D．No problem |