改错.
Where were you when (the weather )began to rain hard yesterday?
为什么要把(the weather )改成it哪错了??
There () a pair of buildings .
A . have built B .has built C build
请告诉我理由哦
The teacher and writer ( )her friend
teacher write 是两个人为什么要填is
You ( )talk loudly in the reading room .
为什么要选mustn't 而不选can't
In winter the weather in Beijing is warmer than ( )in Harbin.
为什么填that 而不是it 呢?
我们老师不讲