The doctor ______ him to give up smoking, but he refused.
| A．advised | B．insisted | C．suggested | D．persuaded |
You can never imagine what great trouble I have had ______the patient who receive a serious wound.
| A．treat | B．to treat | C．treating | D．treated |
______ of the land in Jia Xing No. 1 Middle School _______ covered with trees and grass.
| A．Two third, are | B．Two thirds, are | C．Two third, is | D．Two thirds, is |
As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.
| A．gradually | B．loosely | C．exactly | D．frequently |
The last thirty years _________ the quick development in almost every field in China.
| A．have searched | B．have released | C．have seen | D．have determined |
The dog, if trained _____, will be made a good watch-dog one day.
| A．hopefully | B．personally | C．usually | D．properly |