--Excuse me, teacher, can I ask you something about the last class? I didn’t quite understand it.
--Sure! Please feel _________to ask me anything!
| A．fine | B．free | C．OK | D．right |
There is _____ “u” and _____ “r” in the word “your”.
| A．a, a | B．an, an | C．an, a | D．a, an |
Don’t throw plastic bags towards the animals in the zoo.
| A．All right. | B．Nothing. |
| C．Not at all. | D．I’m glad. |
---Is that Mr Smith?
---It __________ be him. He is in New York on business these days.
| A．may not | B．needn’t | C．can’t | D．mustn’t |
The boy looked __________ because he didn’t pass his maths test.
| A．sad | B．sadness | C．saddest | D．Sadly |
---When will Uncle Sam come to see us?
---He’ll see us this weekend. He _________ me by email.
| A．told | B．is telling |
| C．will tell | D．is going to tell |