1 . Bill always seems so confident, but in fact he’s ________ shy.

A．extremely

B．gradually

C．directly

D．immediately

2 . ________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.

A．Unless

B．Once

C．If

D．When

3 . EBay and Amazon are popular websites ________ people can sell goods to each other.

A．when

B．which

C．where

D．whose

4 . If you always compare yourself ________ others, you won’t feel happy.

A．in

B．by

C．of

D．with

5 . The program hopes to persuade the young people ________ smoking.

A．not to try

B．don’t try

C．not trying

D．aren’t trying

7 . It is reported that more than 70% of water ________ in the past five years.

A．was polluted	B．were polluted
C．have been polluted	D．has been polluted

8 . —It’s kind of you to help me clean the rooms.
—______.

A．Don’t say that	B．It’s my pleasure
C．It doesn’t matter	D．I’m sorry to hear that

9 . You’ll speak English well ______ you keep practicing.

A．though

B．while

C．if

D．before

10 . Look! There ______ some pencils on the table.

A．are

B．is

C．was

D．were