| A．did; does | B．does; do | C．did; do |
| A. I played basketball. B. Yes, it is. C. No, she didn’t. D. They are my friends. E. Yes, he did. |
| A．Whose | B．Who’s | C．Who |
| A．What are they? |
| B．What are that? |
| A．What’s this? | B．What’s that? |
| A．That man is tall and fat. |
| B．That man is short and thin. |
| C．That man is tall and thin. |
| A．It’s a tiger. |
| B．It’s a lion. |
| C．They’re tigers. |
| A．It’s an elephant. |
| B．They’re elephants. |
| C．This is an elephant. |
| A．What’s that? |
| B．What’s this? |
| C．What are they? |
| A．a panda |
| B．panda |
| C．pandas |
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