The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it.
| A．blew up | B．put up |
| C．turned up | D．brought up |
If the babysitter cannot come tomorrow，do you mind________alone at home，doing his homework?
| A．Fred’s leaving | B．Fred being left |
| C．Fred’s having left | D．Fred having been left |
Now that you’re grown up，you’d better spend your time just on the things you find_______.
| A．worth doing them | B．worth being done |
| C．worthy of doing them | D．worthy of being done |
The city government is planning to build a factory to deal with the industry waste，but when and where to build it________.
| A．haven’t been decided | B．aren’t decided |
| C．hadn’t been decided | D．hasn’t been decided |
Though having lived abroad for years，many Chinese still________the traditional customs.
| A．perform | B．possess | C．observe | D．support |
Henrywouldratherthathisgirlfriend_________inthesamedepartmentashedoes.
| A．worked | B．works | C．had worked | D．would work |