John was a student at this university from 1999 to 2003, ________ he studied hard and was made chairman of the Students’ Union.
13.About 90 percent of the equipment presented by the administration,as well as the facilities of our own, ______made good use of in teaching.
12.______of the land in that district_____covered withtrees and grass. A.Two-fifth;is B.Two-fifth;are C Two-fifths;is D Two-fifths;are
11. Nowadays,a large number of women,especially those who conicfromthe countryside,____in the clothing industry". A .is working B.works C.work D worked
10、______ of the land in that district ______ covered with trees and grass.
9、The number of people invited ______ fifty, but a number of them _____ absent for different reasons.