You _______be too careful when you are driving.
| A．can’t | B．mustn’t | C．can | D．must |
Don’t________your dream although you are in trouble．I’m sure your dream can come true．
| A．give up |
| B．put up |
| C．take up |
| D．stay up |
She is so clever that she can________all the math problems on her own．
| A．take out |
| B．give out |
| C．work out |
| D．put out |
Linda________for a TV station since she graduated．
| A．works |
| B．has worked |
| C．is working |
| D．will work |
I’m looking forward________you again．
| A．meet |
| B．meeting |
| C．to meet |
| D．to meeting |
They were________their invention．They thought they could invent more things to make our life easier．
| A．angry with |
| B．proud of |
| C．strict in |
| D．tired of |