—Don’t be late next time! —_______
A. Sorry, I won’t.
B. Sorry, I don’t.
C. All right, I won’t.
When I can’t work out a problem,I often ask my teacher for help.
| A．help your teacher | B．call your teacher |
| C．turn to your teacher | D．go to your teacher’s office |
It’s said that he started his own firm when he was only 24.
| A． built | B．established | C．invented | D．created. |
The strategies that Tom came up with worked out fine.
| A．think up | B．thought up | C．thought out | D．came out |
I wish I could go to Mars one day.
| A．a few days. | B．that day. | C．in one day. | D．some day. |
My father was reading newspapers ____ my mother was cooking at this time yesterday evening.
| A．when | B．which | C．while | D．because |