In the past the children were made ______ 15 hours a day. [ ]A. to lock B. work C. to work D. lock -
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题目简介
In the past the children were made ______ 15 hours a day. [ ]A. to lock B. work C. to work D. lock -
题目详情
[ ]
B. work
C. to work
D. lock
答案