1.C 2.D 3.A 4.D
5.He has been at the school since three years ago.
6.The train didn't start because of heavy snow yesterday.(是不是少打了个snow)
7.It is two years since he lived in our town.
1.C 2.D 3.A 4.D
5.He has been at the school since three years ago.
6.The train didn't start because of heavy snow yesterday.(是不是少打了个snow)
7.It is two years since he lived in our town.