（1）正当孩子们在操场上上体育课的时候,天空突然下起了雨.
（2）suddenly adj.突然的,形容很快
（3）be的过去式是was/were,根据题意知道是过去进行时,所以后面的动词加ing.
（谢谢采纳）
问一道八年级下册4单元英语题
问一道八年级下册4单元英语题
The children were having P.E. class on the playground when it suddenly began to rain.
1.翻译
2.suddenly的意思
3.为什么是 were having
The children were having P.E. class on the playground when it suddenly began to rain.
1.翻译
2.suddenly的意思
3.为什么是 were having
英语人气：530 ℃时间：2020-06-11 19:26:21
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