—_______ to keep our classroom clean and tidy.
—You are right.
| A．That’s our duty | B．This is our duty |
| C．It’s our duty | D．The duty is |
This is a photo _______ my family.
| A．for | B．to | C．of | D．on |
---_______ he _______ from Beijing? ---No, he _______.
| A．Is, come, isn’t | B．Does, come, isn’t |
| C．Is, come, doesn’t | D．Does, come, doesn’t |
-I hear you get a new iPhone 6. May I _______?
- Yes, certainly.
| A．see | B．look | C．look at | D．have a look |
_______！I want to go and play with it.
| A．What a cute dog! | B．What cute dog! |
| C．How cute dog! | D．How a cute dog! |
— Excuse me. Is the museum open every day?
—_______. It’s only open from Monday to Friday.
| A．Yes, of course. | B．That’s right. |
| C．I’m not sure. | D．I’m afraid not. |