I usually walk to school．________ sometimes I ride a bike．

So

And

But

Or

It takes ________ hours to get to Beijing by trains．

much too

too much

many too

too many

________ you often late for school?

Are

Do

Is

Can

The twins ________ often watch TV at home．

don't

doesn't

aren't

isn't

I usually come home by bike, but sometimes I come ________．

by foot

by the foot

on foot

on the foot

What ________ your mother ________ on Saturday?

is, doing

is, do

do, do

does, do

He goes home ________ holidays every year．

for

in

on

at

It takes ________ time by ship．

many too

too many

much too

too much

David goes to Australia ________ every year．

on plane

by plane

by the plane

in plane

There aren't ________ buses on the bridge．

a

an

some

any