Our English teacher has son.
| A．a 8-year-old | B．an 8-years old. | C．a 8-year-old | D．an 8-year-old |
I really ________ Tina, we haven’t seen each other for about three years.
| A．miss | B．feel | C．join | D．choose |
Sometimes we can hardly understand foreigners because they speak too _______.
| A．slowly | B．clearly | C．quickly | D．easily |
I think _______ should be allowed to choose their own clothes.
| A．ten-year-old | B．ten-year-olds | C．ten-years-olds | D．ten-years-old |
We should go to school at 8:00 o'clock _________school mornings．
| A．on | B．in | C．at | D．of |
English is___ useful language because people in many countries are using it.
| A．a | B．an | C．the | D．/ |