Look, the set of keys _ _ on the teacher's desk.
| A．are | B．were | C．is | D．was |
—I have never visited the Great Wall.
—_____.
| A．Neither have I. | B．I haven’t now. |
| C．So have I. | D．So I have. |
There are ninety teachers in our school. _____ of them are men.
| A．Two third | B．Two threes |
| C．Two thirds | D．Second three |
—_____ the population of the U.S.A. in 2005?
—It _____ about 296 million.
A. What is; is B. What was; was
C. How many is; was D. How many was; is
—Does your father still smoke?
—No, he has succeeded in _____smoking for three years.
| A．giving up | B．give up |
| C．gives up | D．gave up |
—Where are Jane and her parents?
—They _____ Japan.
| A．have been to | B．are away |
| C．have gone to | D．had been in |