The teacher was___ a very old man, but in fact he was only a little over fifty.

Broadly speaking, I would agree with Shirley, though not ________．

So far we have done a lot to build a low-carbon economy, but it is ____ ideal (理想). We have to work still harder. 

However weak we are, we can still do something against the powerful nature as long as we are ______ prepared.

—Is Mr. Wang in?—Sorry，he ________ lives here. He has moved.