– How long _____ in this job? – Since 1990.
| A．were you employed | B．have you been employed |
| C．have you employed | D．will you be employed |
—Which of these two electronic dictionaries do you like better ?
—_____ . They are both expensive and of little use .
| A．Neither | B．All | C．Both | D．None |
The weather turned out to be very good ,_____ was more than we could expect .
| A．what | B．which | C．that | D．it |
What you should remember is that we should always keep____ in an emergency .
| A．still | B．calm | C．quiet | D．silent |
Please___ all the numbers . Those numbers_____ 10,000.
| A．add to ; add up | B．add up ; add up to | C．add ; add to | D．add up to ; adds |
The little boy got punished_____ what he had done .
| A．because | B．because of | C．since | D．as |