---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．couldn’t | D．must |
His friends found ______ necessary to tell him everything about his father .
| A．it | B．that | C．it’s | D．this |
---Can you hear a girl ____ next door, Miss Zhou? ---Yes. How beautifully!
| A．sing | B．to sing | C．singing | D．Sings. |
Blue looks good _____ me while you look nice ______ pink.
| A．on, in | B．on, on |
| C．in, on | D．in, in |
All the students like Miss Green because she always makes her class _______.
| A．lively and interested | B．lively and interesting |
| C．alive and interested | D．alive and interesting |
—I’d like you to tell me something about Shenongjia.
----I’m sorry, but neither Jack nor I ____________there.
| A．have been | B．had been |
| C．have gone | D．has gone |