—Perhaps loneliness is one of the biggest problems in our society these days.
— It especially appears among teenagers.
| A．I’m not sure if you are right. |
| B．That’s a good idea. |
| C．I quite agree with you. |
| D．I don’t think so. |
You’d better _______ too much meat. You are much too fat.
A. not eat B. don’t eat C. not to eat
We should take care ________ ourselves.
A. to B. for C. of
—What’s wrong with you? —Don’t worry. It’s ________.
A. nothing serious
B. serious nothing
C. serious something
—When and where shall we meet tomorrow?
—Let’s _______ it 3:00 p. m. at my home.
A. do B. make C. meet
— ____ wrong with him?
— He ____ a backache.
A. How’s; have B. What’s; have C. What’s; has