If we don’t hurry up, we won’t be ______ to catch the train.
| A．in time | B．in no time | C．at times | D．at a time |
The storm left，__________ a lot of damage to this area.
| A．causing |
| B．to have caused |
| C．to cause |
| D．caused |
Plastic bags are provided for our convenience but they also have __________ the pollution of the environment.
| A．referred to |
| B．led to |
| C．reacted to |
| D．attended to |
The __________ as one travels by boat along the Changjiang Three Gorges is fantastic.
| A．scene |
| B．view |
| C．scenery |
| D．sight |
They have to set a（n）__________ to the expense of the trip given that little money they have.
| A．edge |
| B．border |
| C．regulation |
| D．limit |
Sit down, Emma. You will only make yourself more tired，__________ on your feet.
| A．to keep |
| B．keeping |
| C．having kept |
| D．to have kept |