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She had never been to the great Wall before. Today she saw it ________ the first time.

A. at                      B. for                   C. in                            D. by

He gave up ______two years ago. That’s to say, he is a non-smoker now.

A. smoke                     B. smoking           C. to smoke         D. smoked

 Tom has made many friends since he________ to China.

A. came                B. comes                     C. has come         D. will come

The box is ________ heavy ________ I can’t lift it.

A. too, to                     B. so, that                C. very, that           D. too, that

I find ________ difficult to remember everything, though I’m still young.

A. that                      B. this                        C. it

Everyone is supposed ________ a seat belt in the car.

A. wearing                B. to wear                C. to be worn

---Could you please tell me where the restrooms are?

---____________

   A. Yes, I can.                B. I could.

   C. Sure.                    D. I could tell you.

 Do you know ________ there are any good restaurants _______ this block?

   A. if, on                        B. how, on

   C. if, to                        D. where, to

Do you know where ______________ some maps?

   A. can I buy                    B. can buy

   C. I can buy                    D. buy

Can you please tell me where ____________ the post office?

   A. to find                      B. can I find

   C. how to find                  D. find