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A. sometimes B. some times C. sometime D. some time

【題目】He looks very old, _______ fact, he is only forty years old.
A.in
B.but
C.on
D.at

【題目】—Must I give the dictionary back to the library now?
—No, You _______. You can _______ it for another two weeks.
A.needn't; know
B.needn't; keep
C.mustn't; lend
D.mustn't; keep

【題目】We should use _______ plastic bags to protect the environment. Let's say goodbye to them.
A.fewer
B.more
C.some
D.less

A. Do; have B. Do; has

C. Does; have D. Does; has

A. at; do B. with; would C. with; should D. about; would

【題目】—Hurry up. The bus is coming.
—Wait a minute. Don't cross the street _______ the traffic lights are green.
A.after
B.until
C.while
D.since

A. took out B. got out C. sold out D. worked out

A. go; surprise B. to go; surprise C. to go; surprised D. to go; surprising

A. on B. in C. at