1 . — The water was left running all night long.
— Yes. It seemed that John       . He was the last one to leave the lab.

A．was to be blamed	B．was to blame
C．had been blamed	D．should be blamed

2 . We shouldn’t complain about being poor, because many families are much ______ after the big earthquake.

A．better off	B．worse off
C．well off	D．badly off

3 . Boys and girls, you should know what a great difference good manners in public will ________ to a person.

A．owe

B．belong

C．contribute

D．make

4 . —I wonder how much you charge for your services.
—The first two are free, _______ the third costs ＄30.

A．while

B．until

C．when

D．before

5 . —I wonder how much you _______for your services.
—Well, the first two are free while the third costs $30.

A．bargain

B．charge

C．offer

D．donate

6 . Without his illness, our English teacher _______ to the zoo with us last Sunday.

A．had been	B．would have been
C．had had been	D．will have been

7 . Happy birthday, Alice! So you have ________ twenty­one already.

A．become	B．turned
C．grown	D．passed

8 . Because of my ______ English, I can’t make myself ______.

A．broken; understand	B．broken; understood
C．break; understood	D．breaking; understanding

9 . To begin with, we learn how to______ our body when skating.

A．balance

B．keep

C．hold

D．get

10 . —It’s difficult to tell this picture from that one.
—Yes.The differences between the pictures are very________.

A．broad

B．narrow

C．slight

D．impressive