Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
| A．As a result | B．By the way | C．On the whole | D．In a word |
I ________ thank you too much for all your help to my son while we were away from home.
| A．won't | B．can't | C．can | D．will |
It ________ be the postman at the door.It's only six o'clock.
| A．mustn't | B．can't | C．won't | D．needn't |
—________it be Tom that stole the manager's mobile phone?
—No.As far as I know, Tom is very honest.
| A．May | B．Can | C．Must | D．Should |
—How's your new babysitter?
—We ________ ask for a better one.All our kids love her so much.(2011·浙江)
| A．should | B．might | C．mustn't | D．couldn't |
—I don't really like James.Why did you invite him?
—Don't worry.He ________ come.He said he wasn't certain what his plans were.(2011·北京)
| A．must not | B．need not |
| C．would not | D．might not |