—Would you be able to go to the party ?
— I have to pick up my friend at the airport．
| A．I’d love to． | B．I’m afraid not． |
| C．Absolutely! | D．Why not? |
In the near future, more advances in the robot technology __________ by scientists.
| A．are making |
| B．are made |
| C．will make |
| D．will be made |
You should study the details of the policy __________ before you sign it.
| A．in return |
| B．in advance |
| C．at ease |
| D．on purpose |
The children are full of __________. They have been playing all day long without resting.
| A．force |
| B．power |
| C．energy |
| D．strength |
You needn't worry about Susan. Being patient is her __________，so she's equal to the job as a teacher.
| A．energy |
| B．value |
| C．power |
| D．strength |
The little boy has not the __________ to lift the heavy box.
| A．energy |
| B．force |
| C．power |
| D．strength |