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The little boy likes ________ a green coat, and his mother ________ him every day．

A．putting on, dresses

B．putting on, wears

C．wearing, dresses

D．wearing, putting on

Our physics teacher told us the gravity on Mars ________ only about ________ of that on Earth．

A．was…one-third

B．was…one-thirds

C．is…one-thirds

D．is…one-third

I don't know ________ or not he will come here．________ he comes here tomorrow, I will call you．

A．whether, If

B．whether, Whether

C．if, If

D．if, Whether

There ________ a number of teachers in our school．The number of the teachers ________ about 200．

A．are, is

B．are, are

C．is, are

D．is, is

He is so busy ________ he can't ________ his wife ________ any housework．

A．if…h(huán)elp…doing

B．if…h(huán)elp…to do

C．that…h(huán)elp…do

D．that…h(huán)elp…doing

－How do you find the book?－________．

A．On the shelf

B．Very interesting

C．Yes, I did

D．Behind the door

On my way home, I found a wallet ________ on the ground．

A．lie

B．lying

C．lay

D．lied

－Can you find me a good English teacher?

－Yes．I know one who has ________ of teaching English．

A．many experiences

B．much experience

C．a little experiences

D．a few experience

The club ________ more than 1,000 members．

A．consists of

B．is consisted of

C．consisted

D．consists

You will fail in the exam ________ you work hard from now on．

A．until

B．unless

C．so that

D．or