— Are you willing to live on Mars one day?
— It sounds exciting,but it still worries me.
| A．Of course I am. | B．I’m not sure. |
| C．Why not? | D．Are you joking? |
I can’t __________ English well.
| A．speaking | B．say | C．to speak | D．speak |
Who ________ the man and the woman?
| A．am | B．is | C．are | D．be |
Her mother works at __________ hospital. She is a doctor.
| A．/ | B．the | C．an | D．one |
Tom’s ________ are both factory workers.
| A．parents | B．father | C．mother | D．family |
I can ride ________ bike but I can’t ride __________ horse.
| A．the; / | B．the; a | C．/; / | D．a; a |