they are twins, they don"t look like the same at all. [ ]A. Bec

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          they are twins, they don"t look like the same at all.    [     ]
A. Because
B. Though
C. As
D. Since

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举一反三

-Shall we go on working?
-Yes, _____ I prefer to have a rest.[ ]
A. when
B. if
C. though
D. because

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If you want to be a factory manager, you must learn            to make machines.    [     ]
A. what
B. when
C. where
D. how

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I like sofa            it"s much softer than a chair.    [     ]
A. if
B. after
C. because
D. that

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         you are in Hangzhou, please buy me some green tea.      [    ]
A. Because
B. While
C. As
D. Though

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You should return the digital camera to Sally _____she will not be angry.      [     ]
A. so that
B. because
C. before
D. so as

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