Bill was told to write a notice and ____ .
A. put on it B. put it on C. put it up
It is said that the ____ was _____ by that _____ many years ago.
A. invention, inventor, inventing
B. inventor, invention, invented
C. invention, invented, inventor
_____, I must try my best to study English.
A.On purpose
B. From now on
C. After all
Teachers should ___ their students to practice __ English as much as possible.
A. encourage, speaking
B. let, speak
C. make, speak
— There is still a copy of the book in the library. Will you go and borrow _____?
— No, I’d rather buy one in the bookstore.
A. one B. it C. another
_____ of the population in China ____ hardly to say.
A. A number , is
B. The number ,are
C. The number , is