Though having lived abroad for years，many Chinese still________the traditional customs.

A．perform　　　     B．possess           C．observe　　　     D．support

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

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

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

Sam________some knowledge of the computer just by watching others working on it.

A．brought up　　　   B．looked up         C．picked up　　　    D．set up

It is impolite to sit there with your feet   _____   at somebody.

A．pointing          B．pointed           C．being pointed      D．point

 Paper produced every year is __________ the world’s production of vehicles.

A．the three weight of                      B．three times the weight of

C．as three times heavy as                   D．three times as heavier as

Traffic is bad, ________ in the city center during the rush hours.

A．particularly        B．terribly           C．mostly            D．normally

—How are the things in your village?

—Modern farming methods have been brought in and the villagers are________now than before.

A．well off           B．better off          C．badly off          D．worse off