my parents ()at home.a.are both b.are all c.all are d.both are请问为什么选a,bc中有all错哪.be动词放哪
问题描述:
my parents ()at home.a.are both b.are all c.all are d.both are
请问为什么选a,bc中有all错哪.be动词放哪
答
both和all都是“都”的意思,但是all是三人以上时使用,两人时用both