Susan told me numerous times how her sister __________ children.
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For economic reasons, shipbuilders have designed vessels that can be loaded and ________ in a minimum amount of time with minimum labor.
Laugh, and the world laughs with you; ______, and you weep alone.
A national debate is now _________ about the manner in which we as a society should protect our natural resources.
In 1943, the writer spent the Thanksgiving Day on a ship on the way to the island of Tulagi in the South Pacific.
A. 对
B. 错