题目内容
_____ with so much trouble, we failed to complete the task on time
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The old couple sat in front of the house every evening, happy _____ those lovely children running and playing around.
A hearty laugh relieves physical tension, _____your muscles relaxed for over half an hour.
____,the student insists that he be separated from his desk-mate,who is naughty.
The headmaster wanted the new classroom building___as soon as possible.
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