题型：单选题题类：常考题难易度：普通

外研版初中英语七年级下册Module 3 Unit 1同步练习1

Teacher's Day is _______ September 10th.

A、in B、on C、at D、of

举一反三

—You need warm clothes to protect you _____ the cold.

—They kill elephants their ivory.

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