Charles Green is _______ SPCA officer. He helps save animals from danger.
| A．a | B．an | C．the | D．/ |
I have two brothers. One is a teacher, _________ is a doctor.
| A．another | B．other | C．others | D．the other |
I _________ $300 for the bike.
| A．took | B．spent | C．cost | D．paid |
There are many _______ playing on the playground.
| A．child | B．children | C．man teachers | D．sheeps |
A horse is _______ useful animal.
| A．a | B．an | C．the | D．/ |
—Nice to meet you.
—________.
| A．Fine，thank you. | B．How do you do? |
| C．Nice to meet you, too. | D．The same to you. |