I think _______ our duty to keep our environment clean and tidy.
| A．this | B．that | C．it | D．one |
--Sit down, please. --.
| A．Thank you. | B．Good morning. |
| C．Hello. | D．Goodbye |
----Are there ______ books in the box?
---Yes, there are ______.
| A．some, any | B．some, some |
| C．any, any | D．any, some |
What are your ?
| A．parent’s job | B．parent’s jobs |
| C．parents’ jobs | D．parents’ job |
They have eggs and apples _______ breakfast.
| A．for | B．at |
| C．in | D．with |
There are many shops on ________ side of the street.
| A．both | B．every |
| C．each | D．each of |