－You must obey every word of your teacher．

－________ I don’t?

How if

What if

Such as

Only if

－I hope the children are not always staying in the classroom．

－I’ve warned them ________．

not

not to

not stay

not do

－I am wondering if we could go swimming this weekend．

－________ good．

Sounded

Sound

Sounds

Sounding

－Do you mind my opening the window?

－________．

Yes, open it please

No, of course not

Yes, take it please

No, you can’t open it

－How far apart do they live?

－________ I know, they live in the same neighbourhood．

As long as

As far as

As well as

As often as

You may depend on ________ he will come to our party．

that

which

it

what

－Are you going to climb Mount Tai tomorrow?

－________．If it doesn’t rain, we’ll go．

Of course

Yes

That depends

Sure

－It’s a long time since I saw my sister．

－________ her this weekend?

Why not visit

Why not to visit

Why not visiting

Why don’t visit

－I’m going out, Mum．Is there anything I can do for you?

－Are you going by the post office?

－________．

－I’d appreciate it if you’d stop there and mail this．

That’s no problem

I wasn’t going to, but I can

I can do anything for you

I know where it is

－Why didn’t you try your best to get on the train?

－But ________ I could, it started moving．

until

when

before

after