Did you know that the Garth is home to ________ animals?

A．million

B．millions

C．million of

D．millions of

English is my favorite subject, and I am good ________ it．

A．for

B．to

C．at

D．of

There ________ a football match and a concert this weekend．Which one would you like to go?

A．is

B．are

C．will be

D．will have

At present, blogs are ________ traditional diaries(日记)among young people．

A．very popular

B．as popular as

C．not so popular as

D．much more popular than

________ excellent basketball player Jeremy Lin(林书豪)is! I really love this talented guy．

A．How

B．What

C．How a

D．What an

________ the 632-meter Shanghai Tower is finished, it will be the second tallest building in the world．

A．When

B．Since

C．Before

D．Unless

It's very convenient ________ us to buy train tickets now because we can buy them either from the station or on the internet．

A．to

B．of

C．by

D．for

The government is asked to improve school bus safety, ________?

A．didn't it

B．hasn't it

C．isn't it

D．doesn't it

Steve Jobs is one of the persons ________ founded Apple Computer Company．His death marked the end of an era(时代)．

A．who

B．whom

C．which

D．/

In order to eat safely, I think we ________ make some food by ourselves instead of buying some．

A．used to

B．prefer to

C．had better

D．are supposed to