英语问题[句型转换]1.Why not come over to join us?___ ____ ____ over

英语问题[句型转换]
1.Why not come over to join us?
___ ____ ____ over to join us?
2.Li Ming is not old enough to join the army.
Li Ming is ____ ____ ____ join the army.
3.We met each other not long ago.
We have ____ each other ____.
4.He is poor,But he is honest.
____ he is poor ,he is honest
5.The singers come from all over the country.
The singers come from ____ the country.