_________ we have been classmates for three years, she hasn’t left me much impression, so I can’t remember her after graduation.
| A．Since | B．Although | C．Because | D．Unless |
14．The nunther of the students who took part in the competition____500，but only a small number of them chosen。
A was；were B were；was C．were；were D．w；was
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．
| A．have | B．has | C．have been | D．has been |
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.
| A．Two fifth…is | B．Two fifth…are | C．Two fifths…is | D．Two fifths…are |