---He lost his job last week, but he seems happy.---I think he _____ to put on a brave face.
---You have given us a wonderful Chinese dinner, Mrs. Wang. ---_________________.
—Mr. Wang is a man of few words, but quick in mind. — , you know.
He got well-prepared for the job interview, for he couldn’t risk the good opportunity______.
_____from lightweight materials,the robots are about the size of a human arm or smaller.
The fact that smoking is harmful to health is____most smokers are quite aware of.