| 1. 单选题 | 详细信息 |
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—Mike, let's prepare for our baseball game.
—OK. We'll lose the game ______ we try our best.
A . unless
B . once
C . after
D . since
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| 2. 单选题 | 详细信息 |
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She stopped talking her mother came into the room.
A . as soon as
B . unless
C . though
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| 3. 单选题 | 详细信息 |
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Little Jack has learned to do lots of things on his own, ______ he is only four years old.
A . if
B . though
C . for
D . since
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| 4. 单选题 | 详细信息 |
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Many people like pandas they are cute.
A . though
B . if
C . while
D . because
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| 5. 单选题 | 详细信息 |
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Mexican and Tex-Mex foods were popular in the USA, _______ now Chinese food has more fans.
A . because
B . but
C . so
D . unless
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| 6. 单选题 | 详细信息 |
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—It has been much easier for me to go to work________ shared bikes appeared.
—But they also caused plenty of problems.
A . since
B . before
C . unless
D . though
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| 7. 单选题 | 详细信息 |
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— Can students go online during lessons?
—They can ________ it is for that lesson.
A . if
B . or
C . so
D . but
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| 8. 单选题 | 详细信息 |
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Tony was drawing a picture_______ I was doing my homework.
A . if
B . because
C . while
D . until
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| 9. 单选题 | 详细信息 |
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Some people won't realize the importance of their health they lose it.
A . because
B . after
C . when
D . until
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| 10. 单选题 | 详细信息 |
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Square Dancing is good exercise for the old, sometimes it makes a lot of noise.
A . If
B . Although
C . Until
D . Because
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