Every year, _________ people go to visit their factory

A．a thousand of

B．thousands

C．thousand of

D．thousands of

If you meet some new words, you can _________ in a dictionary．

A．look it up

B．look up it

C．look them up

D．look up them

Her daughter began to play _________ piano when she was five．Now she's very good at it．

A．an

B．a

C．the

D．/

Have you read the book _________ is about the moon?

A．what

B．it

D．which

Jack still came to school _________ he was ill．

A．though

B．hot

C．if

D．so

I want to watch the basketball match．Would you please _________ the TV?

A．turn on

B．turn off

C．turn down

D．turn up

Echo _________ for half a month．She’ll come hack in two months．

A．left

B．leave

C．has left

D．has been away

Li Hua studies English very _________ and her English is _________ in her class．

A．careful, good

B．carefully, well

C．careful, best

D．carefully, the best

We should protect the animals _________ danger．

A．on

B．in

C．of

D．at

Nobody teaches me English．I learn it all by _________．

A．I

B．my

C．myself

D．me