— Can I help you, madam?
— Yes, I bought this air conditioner here yesterday, but it _____ now.
| A．didn’t work | B．won’t work | C．can’t work | D．doesn’t work |
.Great changes______in the city and a lot of factories______.
| A．have been taken place…have been set up | B．have taken place…have been set up |
| C．have taken place…have set up | D．were taken place…were s et up |
.I feel it is your husband who ______ for the spoiled child.
| A．is to blame | B．is doing to blame | C．is to be blame | D．should blame |
.The mayor of Beijing says that all construction work for the Beijing Olympics ＿＿by .
| A．has been completed | B．has completed |
| C．will have been completed | D．will have completed |
.After a fire broke out in the lab, a lot of equipment＿＿.
| A．is damaged | B．had damaged | C．Damaged | D．was damaged |
.Rainforests ＿＿and burned at such a speed that they will disappear from the earth in the future.
| A．cut | B．are cut | C．are being cut | D．had been cut |