Science is developing fast. Scientists and doctors will surely find a way to _________ AIDS some day.A. treat B. cure C. operate
Tom thanked his sisterhelping him his lessons.
---May I surf the Internet now? ---No,______ you have finished doing the dishes.
The young man used to _______ to work,but he is used to _______to work now.
—I hear that Huang Gang made an English speech contest last week. ---____________and ___________.
Do you think _________ should be allowed to drive?