3 . 吉姆偶尔会买几本体育杂志。
Jim buys some sports magazines ________ and _________.

4 . 多年以后，他在乡下过着平静的生活，似乎灾难从未发生过。
Many years later, he led a________life in the countryside as if the________had never happened.

5 . If I’m not in class, I’m ______ in the library ______ in the computer lab.
如果我不在上课，就一定在图书馆或计算机实验室。

6 . Tom is looking forward to ______ the new ______.
汤姆期待着遇见新来的交换生。

7 . Through Snow’s _____________, water companies began to sell clean water and the threat of cholera around the world saw a substantial decrease.
经过斯诺的不懈努力，饮用水公司开始出售洁净水，世界各地霍乱的威胁大幅降低。

8 . They had been given free beer, and so had not drunk the water from the pump. Snow suspected that the water pump _____________. 
这些幸存者在剑桥街7号的酒吧工作，酒吧为他们提供免费啤酒，因此没有喝水泵抽上来的水。斯诺怀疑水泵就是罪魁祸首。

9 . Yuan _____________ the answer could be found in the creation of hybrid rice. 
袁隆平坚信，可以在杂交水稻的培育中找到答案。

10 . Some students don’t know ______ (如何平衡学习与玩耍). (根据汉语提示完成句子)