1 . 你犯错误的原因是你缺乏自信。
The reason for your mistake is ________ ________ ________ ________.

2 . He has heart disease. That it was_________ he has been smoking too much. (用适当的词填空)

3 . 好像他的生意就快要结束了。(It seems/seemed as if..., at an end)(汉译英)

4 . 问题是谁能带领他们脱贫。
The question is ________get rid of poverty.

7 . The reason _____ some people pay more attention to their appearance is _____ they care much more about what other people think of them.

A．why; that

B．why; because

C．for; that

D．that; that

8 . 在做日常锻炼的规划时，首先要考虑的是你想要提升哪方面:是心肺功能，还是肌肉强度，抑或是柔韧性。
When you plan an exercise routine, the first thing ________ ________ is ________ you expect to improve: heart and lung ________, muscle strength or flexibility.

9 . The problem is ________ we can get the things we need. (用适当的词填空)

10 . This is________ —to observe Tibetan antelopes.
这就是我们在这里的原因——观察藏羚羊。