When somewhat better ________ academically, he returned home to continue his research.
—Ms Lin looks rather a kind lady. —But in fact she is cold and hard on us. You ____believe it!
I have no dreams ____ to have a happy life.
----Is there anyone who is going to the Great Wall.----________.
-The weather is too cold ____ March this year. —It was still ____when I came here years ago.
——When did it begin to snow? ——It started ____ the night.