Mr. Stevenson is great to work for—I really couldn’t askfor a ________ boss.

asses, _______ he could see nothing,was taken away by a naughty boy

172. If only I _______ just see the herocome! All of us have been expecting him.

Our government has tried many ways to _________ the smog haze(雾霾) problem. Maybe we’ll have a clearer sky in the near future.

Why are you so excited，John?—Our class got the first prize in the singing contest at last，which weforward to