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A. For an hour. B. Once a week. C. In a week.

—Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.

A.once B.twice C.as D.as soon as

A. to smoke; smoke B. smoking; to smoke

C. to smoke; smoking D. smoking; smokes

A. The walk B. Walking C. To walk D. Walk

A.has increased by B.has increased

C.increased by D.increased to

A. standing B. stands C. stood D. stand

A. However B. Whenever C. Wherever D. Whatever

【題目】Mr. Han is _______ teacher. He teaches _______math.
A.our, us
B.our, our
C.ours, us
D.we, us

— It smells __________. I don’t want to eat it.

A. Why not; bad B. Why don’t; good

C. Why not： good D. Why don’t; bad