1 . As fossil fuels are unsustainable, alternative energy, such as sunlight, wind and water, _____ currently.

A．was employed	B．is being employed
C．were employed	D．are being employed

2 . Advances ________ in medicine and environment so far, thanks to increasing computer power. In addition, new products in virtual reality and wearable tech ________ to the market more and more quickly.

A．have made; have been brought	B．have been made; are being brought
C．were made; are being brought	D．are being made; have been brought

3 . 国际援助正在为被飓风袭击的国家而组织。（strike，定语从句）（汉译英）

4 . —Why is there so much noise in the classroom?
—A wonderful New-Year-Day party________there.

A．is held

B．is holding

C．holds

D．is being held

5 . 正是我的同学李蕾，正在国外受到文化差异的困扰。
_______that _______by the cultural shock at the moment abroad.

6 . 他们的生命正在遭受威胁，专家建议立即采取有效的措施。(进行时的被动语态)
Their lives________so experts recommend that________ immediately.

7 . Now, we’re taking actions and much______________(do)to protect wildlife, but if we really want to save the planet, we must change our way of life. （所给词的正确形式填空）

8 . The gray building is where the workers are living, and the white one is where the spare parts _______.

A．are producing	B．are being produced
C．produced	D．had been produced

9 . Air, noise and water have affected people ’s health. (用现在完成时的被动语态完成句型转换)
________________________ by air, noise and water.

10 . Grandma has taken good care of the children all these years. (用现在完成时的被动语态完成句型转换)
The children ________________________ by Grandma all these years.