The girl had hardly rung the bell _____ the door was opened suddenly, and her fr
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The girl had hardly rung the bell _____ the door was opened suddenly, and her friend rushed out to greet her. |
A. before B. until C. as D. since |
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举一反三
Tim is in good shape physically _____ he doesn"t get much exercise. |
A. if B. even though C. unless D. as long as |
You will be successful _____ you have confidence. |
A. before B. once C. until D. though |
_____ they decide which college to go to, students should research the admission procedures. |
A. As B. While C. Until D. Once |
______ all of them are strong candidates, only one will be chosen for the post. |
A. Since B. While C. If D. As |
Frank insisted that he was not asleep _____ I had great difficulty in waking him up. |
A. whether B. although C. for D. so |
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