完成句子按所给汉语，用英语完成下列句子（本大题共6小题，每小题1.5分，共9分）熬夜打电脑游戏真是浪费时间。
It’s __________________________________stay up to play computer games他们表演得如此好以致于我们误以为他们是真夫妻。
They acted so well __________________________a real couple预防H7N9感需要注意什么？
What should _________________________________prevent H7N9这个小孩处理这样的问题肯定很费劲。
The child must _____________________________________such problemsMillie经常怀疑是否值得花那么多时间在家庭作业上。
Millie often doubts whether________________________________ on homework.
One Belt，One Road（一带一路）is helpful for the development of the （国际的）trade．
The （直达的）flight from Yangzhou and Taizhou to Korea was opened on April 8，2016．
At my first art show，a famous professor praised me and （鼓励）me to keep trying and make more wonderful pictures．
The （人口）of China may increase fast because of the second﹣child policy（政策）．
Tu Youyou won China's first Nobel Prize in Medicine in （十月），2015．