－Go for a picnic this weekend, OK?

－________．I love getting close to nature．

I couldn’t agree more

I’m afraid not

I believe not

I don’t think so

－May I smoke here?

－If you ________, choose a seat in the smoking section．

should

could

may

must

－How long has this bookshop been in business?

－________ 1983．

After

In

From

Since

－I’m going to the post office．

－________ you’re there, can you get me some stamps?

As

While

Because

If

－Mom, what did your doctor say?

－He advised me to live ________ the air is fresher．

in where

in which

the place where

where

－Do you know Mary very well?

－Yes．We became good friends ________ we met at a party．

the first time

for the first time

first time

by the first time

－The room is so dirty．________ we clean it?

－Of course．

Will

Shall

Would

Do

－Is your father still an engineer?

－________．

Yes, he was

He didn’t use to

Yes, but he used to

No, but he used to be

－You’ve left the light on．

－Oh, so I have．________ and turn it off．

I’ll go

I’ve gone

I go

I’m going

－________ of the population of the city _________ workers?

－About 60 percent．

What; is

What; are

How much; is

How much; are