this stamp is ( ) 1988 是用from还是用in?为什么不能用in
This stamp is ( )1988.是用from吗?
this stamp is the ------ in my collections
this is a stamp ( )my father's collection 填of还是from为什么?
what's this in English?怎么回答?可以用this 还是只能用It is
There is a bird in the tree.为什么用In.能不能用on.
It was in this house ______ he was born.为什么用that不能用which
This stamp is from 1988改为否定句、疑问句 回答
this stamp is from China (改成复述句)
this stamp is from canada.(改为复数形式)
our comany headquarters is in Boston,为什么用is,不能用locates
maybe you can be in our school concert为什么要用be in 不能用in
What is this?回答:这是V.为什么不能用:It is a V.而要用:It is V.