In the Olympic Games all athletes should play fair ________ the rules, but some often take drugs to accomplish their aims.
| A．with | B．for | C．against | D．by |
-----Is there any news for the missing boy?
------Yes, he was observed _______computer games at 8o’clock yesterday.
| A．play | B．played | C．to play | D．playing |
She _____her watch and left in a hurry.
A glanced at B. stared at C. looked D. glared at
This bag is twice ______ weight of that one. You’d better carry ______ lighter one of the two.
| A．/; / | B．a; the | C．the; the | D．the; a |
Some steps have been taken to prevent the forest ____ .
| A．from destroying | B．to destroy |
| C．from being destroyed | D．to be destroyed |
The cleaning workers are on strike to make ____ they are doing an important and necessary job for society.
| A．it clear that | B．it clearly that | C．that clear | D．that clearly |