He _______ to school by bike, but now he _____ to school on foot.
A .used to going, gets used to going
B. used to go, gets used to go
C. used to go, gets used to going
--He promised to come to see you.
--But he. I’ve been all alone.
| A．doesn't | B．isn't |
| C．hasn't | D．won't |
You canbe a good teacher unless you become more patient.
| A．often | B．ever | C．always | D．never |
--What do you want for dinner tonight?
--We will have whatever you want.
| A．It's up to you. | B．Help yourself. |
| C．Never mind. | D．You needn't worry. |
If the company fails to make enough money, it will have to.
| A．take away | B．close down |
| C．break up | D．set off |
--Did you call Fred back?
--I didn't need to,I'll see him tomorrow.
| A．because | B．unless | C．when | D．though |