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题型：单选题题类：常考题难易度：普通

北师大版英语九年级全册 Unit 9 Save the Planet. Lesson 27 Tree Heroes.同步练习

I will take a plane to Hainan_________ I can't get a train ticket.

A、if B、until C、unless D、because

举一反三

– ________ you work hard, you won't make progress in your study.
– I will, Miss Li.

Mike can play chess, _________he can't play cards.

The teacher speaks very loudly all the students can hear her.

Because the box is too heavy, {#blank#}1{#/blank#} I can't carry it by myself.（and, but, so）

I couldn't understand the passage there were too many new words in it.

The students have to stay in the classroom the rain is heavy now.

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