It is about five years____the Green family came to China.A,since B,before C,until.为什么选A
问题描述:
It is about five years____the Green family came to China.A,since B,before C,until.为什么选A
答
这是个常用的句型:
It is + 时间段+ since时间从句(用一般过去时)
自从.以来已经有.长的时间了.