－Don't play with fire．

－________

It's right．

Sorry, I won't do it again．

It doesn't matter．

I know

Which word is formal language?

PS

Mr．

I'm

cheers

－Simon, I wonder ________．

－Last Saturday．

when the foreign visitors arrived

when did the foreign visitors arrive

when the foreign visitors will arrive

when will the foreign visitors arrive

－Shall we go out for a trip to relax ourselves after the exam?

－________．

That's all right．

It doesn't matter．

That's a good idea．

Have a great time．

－We need a new leader for our Helping Hands Club, but I don't know________．

－Why not Mary?She is always willing to help others．

what to choose

how to choose

when to choose

who to choose

－Look!That teacher is explaining something to her students again and again!

－________teacher she is!

How patient

What patient

How a patient

What a patient

－Here are three books on history．Which one would you like to borrow?

－________．You see, I'm interested in geography these days．

All

None

Both

Each

How many trees are there on top of the mountain? _________

Nothing

Nobody

No one

None

－How often does he go to the Swimming Club?

－_________．

Two hours

Twice

Two a day

Twice a week

－_________ are your grandparents?

－They're very well．

Where

How

What

Who