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题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 4 Amazing ScienceTopic 2 I’m excited about the things that will be discovered in the f

A number of new functions ________ to the computer since it was first invented in 1946.

A、have added B、were added C、have been adding D、have been added

举一反三

So far, most of the work by others, it's your turn to do the rest of it.

The train _____ because of an accident; many passengers are now waiting anxiously at the railway station.

Recently a new community library _______ and will be open to the public soon.

Drunk driving has to be seriously{#blank#}1{#/blank#}（惩罚）.

His brother has taken lots of beautiful photos.（将主动语态的句子改成被动语态）

—The pupils ____ useful advice during the past two years.

—It's lucky to have good teachers with them.

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