—Is there a computer in your class?
—No，there ________．
A．is B．aren't C．isn't
一Here’sinteresting storybook for you． —Thank you．
| A．the | B．a | C．an | D．／ |
I've got a nice present．It’s a skateboard．It’smy parents．
| A．for | B．to | C．of | D．from |
Look at that sign，it means we shouldn’t noise here．
| A．keep off | B．make | C．touch | D．mean |
Are there public signs in the park?
| A．some | B．any | C．all | D．a |
一is your birthday?一It’s on the l5th of December．
| A．Where | B．When | C．What | D．Who |