Don’t leave the water while you brush your teeth.
| A．run | B．running | C．being run | D．to run |
During the reconstruction of the city, many modern tall buildings went up ______ old shabby houses were torn down.
| A．where | B．in what | C．in which | D．which |
Not until he called the secretary three times ______ that the manager went to an important meeting.
| A．did he tell | B．he told | C．was he told | D．he was told |
Duncan, ______ NBA star, is one of _______ few basketball players who are very popular to many of his Chinese fans.
| A．an; the | B．an; a | C．the; the | D．the; a |
-----They say Tom’s brother is a billionaire.
----_____________? He wouldn’t accept any help from his brother, even though it was offered.
| A．What if | B．What for | C．So what | D．Forget it |
Oct. 1st, ____ is our National Day, is celebrated with singing and dancing.
| A．which | B．as | C．when | D．that |