What would you do if you ________ on the moon?
| A．live | B．lived | C．have lives | D．will live |
Our English teacher hasson.
| A．a 8-year-old | B．an 8-years old. | C．a 8-year-old | D．an 8-year-old |
I saw them ___football on the playground when I passed by.
| A．playing | B．were playing | C．played | D．to play |
Every day we spend half an hourmorning exercise。
| A．do | B． to do | C． for doing | D． doing |
The building is the secondin our town。
| A． high | B． highest | C． higher | D． the most highest |
His father is engineer. He designed such useful machine
| A．a an | B．an a | C．an an | D．a a |