The Smiths ___China for three years.a.have come b.have been to c.have been in d.have come to

问题描述:

The Smiths ___China for three years.a.have come b.have been to c.have been in d.have come to

c

C
史密斯一家在中国已经有3年了.
因为是一段时间延续着,所以不能用come to,have been to 的意思是去过
而时间壮语是一段时间而不是几次,所以也不适合
所以选择c