單項選擇題What（）the population of the USA?

A.is
B.are
C.have
D.has


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1.單項選擇題Well done, Jim. You did very well in the high jump.（）

A.I'm glad to hear that
B.That's right
C.Thank you
D.The same to you

2.單項選擇題Well done and（）Thank you very much!

A.not at all.
B.congratulations to you.
C.that's right.
D.you are welcome.

3.單項選擇題Welcome to the party!（）Thank you!

A.Excuse me!
B.I totally agree with you.
C.How pretty you are today!
D.Which one do you prefer?

4.單項選擇題－Welcome to Beijing! －（）

A.Thank you.
B.Oh, good.
C.How do you do?
D.That's all right.

5.單項選擇題We were all surprised when he made it clear that he（）office soon.

A.leaves
B.would leave
C.left
D.had left