—How often do I need to feed the birds?—They food everyday,or they will be hungry.

题型：单选题题类：常考题难易度：普通

四川省师范大学附属中学2017-2018学年九年级上学期英语Unit 7 Section B同步习题

—How often do I need to feed the birds?

—They food everyday,or they will be hungry.

A、must give B、mustn't give C、must be given

举一反三

—For one week.But it mustn't ________ to others.

— No, you needn't. It after school.

—I'm not a child! I should what to do!

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