You must be careful when ___ on the highway.
| A．you driving | B．are driving | C．driving | D．you were driving |
We will be back .
| A．in no time | B．at one time |
| C．at a time | D．all the time |
Our city a new look.
| A．took up | B．took off |
| C．took in | D．took on |
You have made a mistake you’ve a letter “t”.
| A．left alone | B．left for |
| C．left out | D．left behind |
The thief the two policemen who were holding him.
| A．broke out | B．broke away from |
| C．broke into | D．broke down |
They couldn’t get out of trouble by themselves _________ they tried to.
| A．as if | B．now that |
| C．even if | D．in case |