You can’t be ______ when you camp _____ a high altitude, ________ the air is thin.
| A．enough careful; at; which | B．too careful; at; where |
| C．careful enough; on;at which | D．too careful; on; that |
—Why did he________from the company?
—In order to get a more challenging job.
| A．leave | B．resign | C．remove | D．retire |
Tom was very angry about ________ to Mary’s birthday party.
| A．not inviting | B．being not invited | C．not being invited | D．not to be invited |
The world will be different, and we will have to be prepared to ________ the change.
| A．adapt to | B．adopt to | C．apply to | D．devote to |
He hurried to the station only _______ that the train had left.
| A．to find | B．finding | C．found | D．to have found |
The organization is badly _________ of hands.
| A．relevant | B．donated | C．in need | D．dying |