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题型：单选题题类：常考题难易度：普通

They often go to the beaches ______ vacation.

A、at B、in C、for D、on

举一反三

Don't worry ________ the face of the problems.

Many wild animals are , and it's time for us to do whatever we can to protect them.

More and more people mainly communicate ______.

______ the help of my English teacher, I get an A at this term.

My home is not far from our school. (同义句转换)

My home is{#blank#}1{#/blank#} {#blank#}2{#/blank#}Our school.

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