看到then,应该用wasn't还是weren't还是is啊?
我觉得是wasn't
人气:347 ℃ 时间:2020-06-23 20:10:57
解答
要看具体语境是不是过去时里的then“那时”,才好判断.因为then还有 “然后、那么、另外”的意思,也是可以用在一般现在时里的.如:
It costs $20,and then there's the sales tax to pay.它值20美元,而且另外要付消费税.
If traffic is heavy,then allow extra time.如果交通繁忙,那么允许超时.(这里也是一般现在时,但是因为句子不需要用到be单词,所以不存在用is,was,were的选择问题哈)
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