They 【attempted 】to finish the task before July.A
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They 【attempted 】to finish the task before July.
A. tried
B. aimed
C. agreed
D.promised
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答案：A
句意：他们力图在七月以前完成这项任务。句中attempt to do意为“力图，试图，尽力做,, ;try to do意为“试图，努力做”;aim to do意为“计划，打算，以，……为目标”; agree to do意为“同意做” ;promise to do意为“答应做”。只有try意思上和attempt最接近。