12.Even in the best possible scenario with every student getting 30 minutes of moderate to ______ movement everyday, it would account for only half of what is called for.

3. Whether my judgement _______ right or wrong, I will continue my research without any hesitation. 

27.

23.

6. Nowadays most of people buy a house on hire purchase and pay monthly _______.

20. I hope all the precautions against air pollution, ______ suggested by the local government, will be seriously considered here.

33.磊磊参加的合唱团少来了一个人，没人发现，但今天少来了两人，磊磊一下就发现了，这说明磊磊（ ）能力强。

38.

31.张老师认为教育就是为了要让学生学习知识，把握学习内容。张老师遵循的理论是（ ）。

24.

18.He has made another wonderful discovery, ______ of great importance to science.

9.Mary is looking for some ________ to go with her black and white evening gown for the party.