Theproblem________whenthestudentsrefusedtodotheirhomework.
更新时间:2024-04-20 15:29:50 A、aroseIt'smore________tobuyaseasonticketifyoutraveleveryday.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Iwon't________thosechildrenmakinganoiseinmyhouse!
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