His sister left home in 1998, and since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
It’s bad ____ for a man to smoke in the public places where smoking is not allowed.
| A．behavior | B．action | C．manner | D．movement |
Yao Ming as well as his teammates ______ hard to win honor for China these years.
| A．work | B．are working | C．has been working | D．works |
His composition was so confusing that I could hardly make any ________of it what’s over.
| A．meaning | B．message | C．information | D．sense |
The teacher together with the students ___________ discussing Reading Skills that _______ newly published in America.
| A．are; were | B．is; were | C．are; was | D．is; was |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |