When the lawyer asks you questions about the case, you should be________.
| A．on duty |
| B．on guard |
| C．on purpose |
| D．on watch |
The key point is not who said the words,______ they are true or not.
| A．but whether | B．and whether | C．but how | D．and how |
As I know, it is five years since Mary ____ in the south.
| A．lives | B．lived | C．has lived | D．was living |
Jim is ____ person, and everyone is willing to be ____ with him.
| A．so kind a; friends | B．so a kind; friend |
| C．such kind a; friends | D．such a kind; friend |
_____the teacher couldn't understand was______ fewer and fewer students showed interest in her lessons.
| A．What; why | B．That; what | C．What; because | D．Why; that |
—What are your parents?
—My father is a teacher, and my mother is______.
| A．he other | B．he rest | C．her | D．another |