Electrical products no longer in use contain dangerous materials which can be released into the environment when they are _____.
| A．taken apart | B．given away | C．fixed up | D．handed over |
I don’t like to ask people for help as a rule but I wonder if you could ______ me a favour.
| A．make | B．do | C．find | D．get |
The boy’s new bike is _______ envy of his friends.
| A．a | B．the | C．/ | D．an |
I’d rather have a room of my own, however small it is, than _______ a room with someone else.
| A．to share | B．to have shared | C．share | D．sharing |
________ he had not hurt his leg, John wound have won the race.
| A．If | B．Since | C．Though | D．When |
E-mail, as well as telephones, ________ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |