----Look at the boy running on the playground. Is it David?
---- It ______ be him. I saw him go to the teachers’ office just now.
| A．mustn’t | B．can’t | C．may not | D．needn’t |
Don’t ________ away your old textbooks. They are reusable for the kids in poor areas.
A. put B. throwC. take
I didn’t see John. He went to work on ________ own.
A. his B. her C. him
The famous scientist’s name is familiar ________ most Chinese.
A. for B. in C. to
How is your work getting ________?
A. up B. off C. on
He has ________ to tell you.
A. something interesting
B. interesting something
C. anything interesting