题目内容
阅读下面句子,将正确答案填写在后面的横线上
Example: While I (ran/was running) down the street, a UFO landed.
was running
It (climbed/was climbing) into its UFO and took off.____________
答案:climbed
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题目内容
阅读下面句子,将正确答案填写在后面的横线上
Example: While I (ran/was running) down the street, a UFO landed.
was running
It (climbed/was climbing) into its UFO and took off.____________