Nowadays，many TV programs encourage people ________ smoking.
A. stop B. stopping C. to stop D. stopped
The sentence will be easy to understand when you ________ it into three parts.
A. divide B. translate C. turn D. make
________ my classmates ________ playing basketball.
A. The number of，like B. The number of，likes
C. A number of，like D. A number of，likes
_______ may have a chance to be successful if he tries his best.
A. None B. Nobody C. Somebody D. Everybody
He is an honest boy. I have no reason to _______ what he said.
A. hear B. doubt C. repeat D. believe
Franklin ________ electricity, and Edison ________ the light bulb.
A. discovered; discovered B. invented; invented
C. discovered; invented D. invented; discovered
