At present robots are common in industry and perhaps they will soon be common in
home.
| A．the; 不填 | B．the; a | C．不填; the | D．an; 不填 |
Paper bags produced every year are ______ the world’s production of vehicles.
| A．as three times heavy as | B．three times weight of |
| C．three times the weight of | D．three times as heavier as |
His spare time is made full use_______ law.
| A．to study | B．study | C．of studying | D．of to study |
Some of the old beliefs passed down from one generation to another ________ the present thinking.
| A．agree with | B．deal with | C．put up with | D．come up with |
Who would you rather ______ with the teacher about the problem?
| A．talking | B．have talk | C．have talked | D．talk |
Between the two windowswas taken 10 years ago.
| A．a picture hangs that | B．a picture hanging which |
| C．does a picture hang which | D．hangs a picture that |