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--Yes. We have _______ unusual time because we live in a hot place.

A. a, a B. /, an C. /, a D. a, an

A. four thousand B. four thousands of

C. four thousand of D. thousand of

A. friend；friend B. friendly；friendly C. friend；friendly D. friendly；friend

—You mean it’s ______ for us to take a taxi?

A. necessary B. important C. easy D. difficult

A. far B. farther C. the farthest D. farer

A. on；either B. on；too C. in；either D. in；too

—________．

A. Thanks a lot B. Good luck to you C. Have a good time D. You're welcome

【題目】It seems that it is going to rain. You'd better ________ the windows open when you leave the house.
A.not leave
B.leave
C.not to leave
D.to leave

—________ . She is less hard-working.

A. Yes, she is. B. Yes, she does.

C. No, she isn’t. D. No, she doesn’t.