23.The parcel so much that I dropped it on the stairs.
A.weighs B.is weighed C.was weighed D.weighed
第一节:单项填空(共15小题,每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
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21.--Do you think they can keep our classroom clean?
-- .
A.I don’t believe. B.I don’t believe it.
C.I believe not so. D.I believe not.