Without a sure supply of water, farming in that area remains at the _______of the weather.
| A．disposal | B．risk | C．cost | D．mercy |
What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while?
| A．sense | B．matter | C．case | D．opinion |
Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
| A．powerful | B．influential | C．monstrous | D．vigorous |
The boy slipped out of the room and headed for the swimming pool without his parents' _____.
| A．command | B．conviction |
| C．consent | D．compromise |
You have no idea how she finished the relay race ____ her foot wounded so much.
| A．for | B．when | C．with | D．while |
_________ that she was going off to sleep，I asked if she’d like chat little doll on her bed．
| A．Seeing | B．To see | C．See | D．Seen |