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1 . Mike hasn’t appeared for two weeks, __________ his friends are wondering what has happened to him.
A.so | B.but | C.or | D.for |
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2 . He will never make progress in math __________ he really wants to learn it.
A.if | B.as long as | C.unless | D.in case |
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2卷引用:北京市第八中学2023-2024学年高一下学期开学考试英语试题