All the kids had a lot of fun ________ Children’s Day. They sang and danced happily all day.
| A．in | B．at | C．of | D．on |
—Can your friend sing?--______.
| A．Yes,I can | B．Yes, he can | C．No,she can | D．No,I can’t |
Do you have a pen?I want _____ a letter.
| A．to write | B．to work | C．writing | D．working |
—______ is the ruler? —______ two dollars.
| A．How much;It is | B．How much;They are |
| C．How many;They are | D．How many;It’s |
We have six _____ .So we can know the time.
| A．plants | B．watches | C．balls | D．tapes |
—Is this your eraser? —______.
| A．Yes,it isn’t | B．No,this isn’t | C．No,it isn’t | D．Yes,this is |