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题型：单选题题类：常考题难易度：普通

牛津译林版九年级下册Unit3Robots单元测试

The robot needs _______ once a month. And we will check it for you for free.

A、to check B、checked C、checking D、to checking

举一反三

——How long may I ____ your dictionary?

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

—When should I hand in my paper?

—Your paper must as soon as the bell .

Your bedroom is so dirty, It should every day.

Mrs. Green said the plates ________ right away，or they would become difficult to wash.

Things should ________ here before you enter the library.

The sound effects can be {#blank#}1{#/blank#} (record) later.

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