they shoud never do what they have been doing for many
they shoud never do what they have been doing for many
what have they been doing 是什么时态
What do they doing?
they have been good friends for many yeas句子成分
they/have/what/do/(?)
What do they like doing?
What places have they been?
They have been doing their homework
What do they do often have for breakfask?
They have never been to Shanghai,_they?A have B haven't C do
They have never been opened.为什么不可以是They never have been open
what do they have for dinner?汉语怎么说