Hill slopes are cleared of forests to make way for crops, but this only （）the crisis.

The glass vessels should be handled most carefully sinc...

单项选择题The glass vessels should be handled most carefully since they are （）

She had recently left a job and had helped herself to c...

单项选择题She had recently left a job and had helped herself to copies of the company's client data, which she intended to （）in starting her own business.

How much of your country's electrical supply is （）from ...

单项选择题How much of your country's electrical supply is （）from water power