The reason why we have to grow trees is that they can supply fresh air for us.（英译中)

We have reason to believe that he was murdered.（英译中)

What can we learn from the passage？A．It"s scientific to classify people into different gro

The reason______I cant come is that I have to work late.A．becauseB．forC．asD．why

The reasons why most people have trouble sleeping are all of the following EXCEPT that the

The reasons why we lie are all of the following EXCEPT that______.A．we intentionally do so

Why is there no natural reason for famine？A、We now have technology to preserve and keep