题目内容：

把下列句子改为同义句
1、Dan has the duty to keep the estate safe．（同义句）
Dan______ ______ ______the______of the estate.
2、An encyclopedia often consists of a number of books．（同义句）
An encyclopedia____often____ ____ ____a number of books
3、 We went over our lessons the whole week so that we could get good scores for the exams.(同义句)
We________our lessons the whole week _______ ________ ________ get good scores for the exams.

优质解答

1.Dan has the duty to keep the estate safe．
Dan is responsible for the safety of the estate.
2.An encyclopedia often consists of a number of books
An encyclopedia is often a collection of a number of books
3.We went over our lessons the whole week so that we could get good scores for the exams.
We reviewed our lessons the whole week in order to get good scores for the exams.
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