A lesson from the terrible drought(干旱) that hit some parts of southwestern China this year is that more anti-drought projects ______ built in the past years.
| A．should be | B．should not have been |
| C．ought to have been | D．must be |
________ blood if you can and many lives will be saved.
| A．Giving | B．Give | C．Given | D．To give |
I can't stand ________ with Jane in the same office.She just refuses ________ talking while she works.
| A．working; stopping | B．to work；stopping |
| C．working；to stop | D．to work；to stop |
Isn't it time you got down to ________ the papers?
| A．mark | B．be marked |
| C．being marked | D．marking |
There is a new problem involved in the popularity of private cars ________ road conditions need ________.
| A．that；to be improved | B．which; to be improved |
| C．where；improving | D．when；improving |
Susan wanted to be independent of her parents.She tried ________ alone, but she didn't like it and moved back home.
| A．living | B．to live |
| C．to be living | D．having lived |