. E-mail, as well as telephones, ________ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
It began as just an _______ Monday, but soon became a day I would never forget.
| A．ordinary | B．offensive | C．exceptional | D．appropriate |
--- He is fifteen years older than you.
--- _______ Love has nothing to do with age.
| A．What for? | B．How about it? | C．So what? | D．How come? |
Salaries are much higher here than ______ in my city.
| A．that | B．it | C．ones | D．those |
Their work ______, all the experts went out for relaxation.
| A．to complete | B．completing | C．completed | D．had been completed |
Willie has complained to the sales manager about the PC he bought _____ screen exploded for no reason.
| A．which | B．where | C．whose | D．when |