It _____ a year since Mr Stone ____ to our school A.was,came B.has been,comes C.is,has come
问题描述:
It _____ a year since Mr Stone ____ to our school A.was,came B.has been,comes C.is,has come
D.is,came
答
D
since 后跟一般过去时,
主句可用一般现在时
不明白的再问哟,请及时采纳,多谢 !