1 . These measures sound great, but it remains to be seen          they will help improve air quality in our city.

A．whether

B．what

C．which

D．that

2 . For me, it is always amazing to see _______ dancers use their bodies to express emotions and thoughts.

A．why

B．which

C．how

D．what

3 . From the expressions on the comedians’ faces, it’s impossible to know ______ their true feelings are.

A．that

B．why

C．what

D．where

5 . 书里洋溢着快乐和希望，很是让人惊喜。(汉译英)

6 . As the Chinese saying goes, “Meat pies won’t just fall from the sky on________happens to be lucky enough to be living below.”

A．who

B．anyone

C．whoever

D．whomever

8 . 虽然已证实富兰克林的这一实验确有其事，不少科学家还是对事实真相提出了质疑。（汉译英）

9 . 我们一直认为会说话的植物只存在于幻想之中，但新研究有了令人惊奇的发现：植物间似乎确实可以交流。（汉译英）