1.The meeting _______for a week now.
A.has finished B.has ended C.has been over D.has been in
2.把下列句子转换成被动句。
(1)We should do something to improve the environment.
(2)Waste gases from cars mainly cause air pollution
1.The meeting _______for a week now.
A.has finished B.has ended C.has been over D.has been in
2.把下列句子转换成被动句。
(1)We should do something to improve the environment.
(2)Waste gases from cars mainly cause air pollution
1. 选C。现在完成时与for a week 连用的动词应该是延续性动词,因此不能用finish/end。
2.把下列句子转换成被动句。
(1) Something should be done to improve the environment by us.
(2)Air pollution is mainly caused by waste gases from cars
C
it should be done something to improve the environment by us.
Air pollution is mainly caused by the waste gases from cars.
1C
2 Something to improve the environment should be doneby us.
Air pollution was mainly caused by waste gases from cars