Circus clowns are popular with children because they can .
| A．juggle five oranges | B．walk on stilts |
| C．make audience laugh | D．all of above |
Jane and I ____ twelve. My sister ____ ten.
| A．is , is | B．is , are | C．are , is | D．are , are |
--Is your father a teacher? -- ____.
| A．Yes, she is. | B．Yes, you are. | C．Yes, he is. | D．Yes, I am. |
This is ____ orange book and that is ____ apple.
| A．a , an | B．an , a | C．an , an | D．a , a |
-- ____. Are you Bob? --Yes, I am.
| A．Good morning. | B．Excuse me. | C．Nice to meet you. | D．OK. |
____ are you and ____ are you from?
| A．Who, who | B．What, where | C．Where, who | D．What, what |