8. There’s no light on; they _____ be at home.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
.
They ___ out because the light’s on. Let’s go upstairs and have a look.
| A．mustn’t go | B．can’t have gone | C．couldn’t go | D．might have gone |
.
I think ___ necessary ___ a foreign language.
| A．that; learning | B．it; to learn | C．that’s; to learn | D．it’s; learn |
.
At the meeting I suggested that every class ___ divided into eight groups.
| A．be | B．was | C．were | D．are |
.
--- He eats too much fat and sugar.
--- That is ___ he ___ on weight very easily.
| A．because; puts | B．why; puts | C．the way; gets | D．how; gets |
.
______ I’m well again, I can go on with my work.
| A．Even if | B．As though | C．Ever after | D．Now that |