__________ 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 |
In the questionnaire, the subjects are questioned whether they____banning cars in the city centre．
| A．agree | B．comment | C．advocate | D．conduct |
____ to give up smoking, he threw away his _____ cigarettes．
| A．Determined; remained | B．Determined; remaining |
| C．Determining; remaining | D．Determining; remained |
By the time he retires, professor Baker _____ for almost forty years．
| A．will have taught | B．had taught |
| C．has taught | D．is teaching |
I would appreciate ______, to be frank, if the goods could be delivered as soon as possible．
| A．you | B．that | C．it | D．myself |
Mr．White, who comes from ____ European country, has formed _____habit of attending ____ church on Sundays．
| A．an; /; the | B．a; a; a | C．an; the; / | D．a; the; / |