－Derek, I owe you a thank-you for all your help．

－________．

If you please

Don't mention it

That's it．

All right．

－How did you sleep last night?

－Like a log．Never slept ________．

well

worse

badly

better

－Well, a soup, a salad, and anything ________, sir?

－An apple pie, please．

follows

to follow

followed

following

－Have you heard about Apple iPhone 4?

－Sure．It is very hot these days．I'm thinking about getting ________．

one

them

that

it

－Hi, Bob, I can't find my electric shaver!

－Sorry, I ________ it and I guess I put it on the top shelf with my things．

used

had used

am using

was using

－Look, the paint is starting to come off ________ the wall is damp．

－Well, we'd better have the wall repainted some day．

when

where

if

once

－Hey!Here is a message on my cell phone, telling me to send money to…

－Delete it!It's a trick．Many a person ________ by such tricks．

has been cheated

have been cheated

were cheated

was cheated

－Will my son be all right soon, doctor?

－Well, he ________ be, if he takes these tablets．

may

must

should

can

－How about ________ party?

－Cool!It was really ________ great fun!Pity you weren't there．

a; a

the; a

the；不填

a；不填

－Never before ________ so popular with the young people in China．

－Yes．That's because they are considered to be very useful as well as look fashionable．

have mobile phones been

mobile phones have been

had mobile phones been

mobile phones had been