—The books are so nice, which one can I take?
—Oh, you can take _______ of them. I’ll keep none.
| A．both | B．all |
| C．neither | D．either |
Smoking is bad for health, so the doctor advised my father _____.
A. not smoke B. not to smoke C. not smoking
______ excellent singer she is !
A. What B. What an C. How
It has been five days ______ the little girl left home.
A. since B. after C. until
The man makes a living teaching.
A. for B. with C. by
The only language ____ is easy to learn is mother tongue.
| A．which | B．that | C．/ | D．it |