How should we react at the first time of contact
We should be the first to（）in greeting, and couple this with a friendly “hello”,a nice smile, and your name.

A. The bug in his ear.
B. The question "How do you feel"
C. Something in a mirror.
D. A problem.

A. She should think about becoming a teacher.
B. She really needs a full-time job.
C. She should work hard for the school.
D. She needs to spend her time studying.