some food ____ longer because it contains certain preservatives.a.take b.keeps c.makes d.lasts

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some food ____ longer because it contains certain preservatives.a.take b.keeps c.makes d.lasts

some food ____ longer because it contains certain preservatives.a.take b.keeps c.makes d.lasts
some food ____ longer because it contains certain preservatives.
a.take b.keeps c.makes d.lasts

some food ____ longer because it contains certain preservatives.a.take b.keeps c.makes d.lasts
d
这里明显是要在b和d中选择,a和c不必考虑.
那么这里要填的是一个不及物的动词,所以只能选last.
有些食物保存的时间长些,是因为它含有一定的防腐剂.