Question

In the past the children were made ______15 hours a day

1. A.
   to lock
2. B.
   work
3. C.
   to work
4. D.
   lock

Answer 1

C
考查动词make的用法。短语：make sb do 使某人做某事，be made to do sth被迫做某事，make的被动语态要带to,句意：在过去孩子们被迫一天工作十五个小时。 故选C。