I felt tired ______ I worked late last night. [ ]A. because B. whenC. if

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I felt tired ______ I worked late last night. [ ]
A. because
B. when
C. if

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举一反三

The girl wanted to make a lot of money ____ she could buy the silk cheongsam. [ ]
A. and
B. but
C. so that
D. because

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You"d better ring up your parents ____ you get there. [ ]
A. when
B. until
C. while
D. as soon as

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The official was looking at a postcard sadly ____ his workmate came in. [ ]
A. while
B. when
C. after
D. before

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________ he isn"t rich enough, he often gives away money to some poor children .[ ]
A. Though
B. When
C. Because
D. If

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No matter what you do, you can’t change the situation.[    ]
A. whoever
B. wherever
C. whatever
D. what ever

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