Recently a world plan to attack illiteracy has been ______ by a committee of UNESCO expert

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Recently a world plan to attack illiteracy has been ______ by a committee of UNESCO expert, and an international conference on the subject has also been held.

A.drawn up

B.laid out

C.set forth

D.taken shape

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热搜:a是b的充分条件,b是a的必要条件吗