Be careful!The ice is not thick enough．You'd better ________ on it．

skate

not to skate

not skate

not skating

The whole world is fighting against the H1N1, a disease ________ has caused many deaths．

who

which

whom

what

If he ________ on time tomorrow, we will go without him．

doesn't come

don't come

didn't come

won't come

－Did you buy a coat?

－No, they are ________ too big ________ too small．

either, nor

either, or

neither, nor

both, and

－I hear there will be a concert of Jay Zhou．________ will it start?

－In two days．

How soon

How long

How often

How far

－Did you drive to the beach yesterday afternoon?

－Yeah．________ we had!

How a fun

What fun

What a fun

How fun

－Mum, can I wear my jeans to school?

－No, you ________ wear your school uniform．That's the school rule．

can

can't

have to

may

－What's wrong with you, Sandy?You look so worried．

－My pet cat ________ by a car this afternoon．And it is in hospital now．

is hit

was hit

hit

was hitting

－It's time for sports．

－Let's ________ our sports shoes!

put away

put up

put on

put down

－Which is ________, the sun, the moon or the earth?

－Of course the sun is．

smaller

the smallest

bigger

the biggest