1 . It’s getting dark, ________ they’re still working.
| A．and | B．but | C．so | D．or |
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2 . He stared at me I was his friend.
| A．as long as | B．even if | C．as if | D．in case |
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3 . Wear a life jacket ________ you fall into the water.
| A．in case | B．as if | C．even if | D．so that |
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4 . ________ he is a ten-year-old boy, he can take good care of himself.
| A．Although | B．Or | C．So | D．But |
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5 . you judge someone’s actions, try to understand their circumstances, as context often shapes decisions.
| A．Unless | B．Although | C．Before | D．Until |
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6 . The elderly patients still prefer the traditional way, online booking system is supposed to be fast and convenient.
| A．if | B．although | C．because | D．unless |
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7 . Although he was weak, ______ he tried his best to do the work.
| A．but | B．so | C．then | D．yet |
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8 . Hide behind the tree, he will see and catch you.
| A．and | B．or | C．but | D．yet |
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9 . You don’t have to take notes ________ I tell you to do so.
| A．if | B．when | C．because | D．unless |
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10 . Work hard, __________you will have a bright future.
| A．and | B．or | C．since | D．but |
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