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----What did you say just now ?

---- Lunch is ready. Please__________ the knives and forks at the lunch-table .

A．lay out B．put out

C．take out D．set out

---How is your grandma?

--- She’s fine. She used to _______ TV at home after super. But now she is used to ________out for a walk.

A．watch; go B．watching; go

C．watching; going D．watch; going

--- Would you like to play computer games with me?

--- Sorry, I have ________ playing them.

A．made up B．given up

C．looked up D．picked up

–Do the Smiths live next to you? --No, but they____.

A．used to B．used to do it

C．used to be D．used

--- I have trouble _______ my new computer.

---Don’t worry. I’ll show you how _______it.

A. using; using B. to use; to use

C. using; to use D. to use; using

The mobile phone has influenced people’s life a lot since it ________.

A. invents B. invented

C. is invented D. was invented

I took the wrong train _______. I didn’t even know it until half an hour later .

A. by mistakes B.by mistake

C.with mistake D. with mistakes

______ is said that our math teacher often does volunteer work on weekends.

A. One B. This C. It D. That

— Do you believe that paper is made _______ wood?

—Yes, I do. And you can see that books are made________ paper.

A．from; from B．from; of

C．of; from D．of; of

________ students in the classroom ______ twenty. The others are in the library.

A．The number of ; is B．A number of; are

C．The number of; are D．A number of ; is