Don’t punish him for his mistakes in the exercise-book. ______, he is still a child.
A. At first B. First of all C. After all.
The ________ you learn, the ________ you want to learn.
| A．more; much | B．more; more |
| C．much; more | D．much; much |
--- Look at these stamps. I _______ them for five years.
--- Wow, they are beautiful.
| A．bought | B．have bought |
| C．kept | D．have kept |
My mom always thinks that my hobbies _________ of my study.
| A．get in the way | B．go out of the way |
| C．are on the way | D．get into the way |
Our teacher says that the classroom must __________ every day.
| A．clean | B．will clean |
| C．be cleaning | D．be cleaned |
--- Look at the boy running on the ground. Is it Frank?
--- It ________ be him. I saw him go to the library just now.
| A．mustn’t | B．can’t |
| C．needn’t | D．might not |