How many times do you brush your ________(tooth)every day, Beibei?

________ is really hard ________ them to climb Mount Qomolangmo．

A．

This, to

B．

It, for

C．

This, for

D．

It, to

There ________ a lot of food, milk and fruits in the fridge．

A．

is

B．

are

C．

have

D．

has

The ________ in his study are full of science books．(shelf)

You never go to the movies, ________?

A．

don't you

B．

do you

C．

won't you

D．

can't you

改为同义句

The boy often goes to school without breakfast．

The boy often goes to school without ________ breakfast．

I know healthy food is good ________ my health．

A．

to

B．

at

C．

for

D．

of

改为同义句

The school life is really simple and free, but now I have it no more．

The school life is really simple and free, but now I ________　________ it ________　________．

用be适当形式填空

There ________ some water in the cup．

用be适当形式填空

There ________ an apple and three oranges in the box．