试题 试卷
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 3 China is the thirdnation that sent a person into space.同步练习
— That's great. I also want to help those children_________.
— Thanks, Mary. I've solved it _________. It just took me five minutes.
—Sure, thank you.
—Yeah, {#blank#}1{#/blank#} real. It was great!
{#blank#}1{#/blank#} {#blank#}2{#/blank#} you usually do {#blank#}3{#/blank#} {#blank#}4{#/blank#}?
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