I have no idea __ the Greens has moved to Hangzhou or not.
| A．when | B．that | C．which | D．whether |
The home improvements have taken what little there is _________my spare time.
| A． from | B．in | C．of | D．at |
Shortly after the accident, two ________ police were sent to the sport to keep order .
| A． dozens of | B．dozens | C．dozen | D．dozen of |
The number of people invited __________ fifty, but a number of them __________ absent for different reasons.
| A． were ; was | B．was ; was | C．was ; were | D．were ; were |
____________ people in the world are sending information by E-mail every day.
| A．Several million | B．Many millions | C．Several millions | D．Many million |
The discussion_______________alive when an interesting topic was brought in.
| A． was coming | B．had come | C． has come | D． came |