超星 - unit1 and unit2 - 查题吧

单选题

It's not easy to keep your room every day.

A. clean
B. cleanly
C. being cleaned
D. cleaning

单选题

The boy sat there all afternoon, at the passers-by.

A. and staring
B. who stared
C. staring
D. stared

单选题

.you change your mind, please contact us immediately.

A. Were
B. Had
C. Might
D. Should

单选题

Josh has transferred to the school for three months, but he is still not familiar the environment.

A. by
B. with
C. to
D. upon

单选题

Tim had intendedfor the test but instead sat at the computer all day long.

A. to be prepared
B. preparing
C. to prepare
D. to preparing

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