30. It was once called the Sea of Bamboo, but now only one fifth of the area ______ covered with bamboo, and sixty percent of other plants ______ taken the place of the bamboo.
| A．are; have | B．is; has | C．is; have | D．are; has |
The sickcured and the lostfound.
| A．have;have | B．has;has |
| C．have been;have been | D．has been;has been |
Each of the students in our classgreat interest in English and they eacha copy of A New English-Chinese Dictionary.
| A．shows;have | B．have;has | C．is;have | D．takes;has |
John,together with some of American soldiers whosent to Iraq，killed in a bomb explosion.
| A．were;were | B．was;was | C．were;was | D．was;were |
Most of the artists will go to the United States next week.The rest to visit Japan.
| A．has | B．plans | C．are | D．is |
Mr. Lee never said that he hated school when he was a child,
?
| A．was he | B．wasn’t he | C．did he | D．didn’t he |