—Jack, I have________ working out the math problem.—Don't worry. Let me help you.

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

—Jack, I have________ working out the math problem.

—Don't worry. Let me help you.

A、fun B、trouble C、experience D、interest

举一反三

—Of course，I can .I have plenty of time today．

—We need to come up with more _________ ideas.

—About 15 years ago.

—He is an actor.

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