作业帮 > 英语 > 作业

it was waiting for Tom_he was doing homework

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/13 18:07:06
it was waiting for Tom_he was doing homework
用since 还是while 答案是since,
while 表示 同时进行.两边都是过去进行.
再问: since有没有由于的意思?
再答: since 有“既然”的意思, 但是不如while合适。I had to wait for Tom since he was doing his homework. 我觉得这样做更好些。 个人看法。