____of the land in that district ____covered with trees and grass.
A.two fifth; is | B.two fifths; are |
C.two fifths; is | D.two fifths; are |
John is one of the staff members who ___to be sent abroad for further study.
A.is going | B.are going | C.have been going | D.has been going. |
The number of foreign students attending Chinese universities ________ rising steadily since1990. 21世纪教育网
A.is | B.are | C.has been | D.have been 21世纪教育网 |