1 . This is why we’re here — to observe Tibetan antelopes. (英译汉)
_______________________________________________________________________________

2 . When you plan an exercise routine, the first thing to consider is what you expect to improve: heart and lung efficiency, muscle strength or flexibility.（英译汉）

3 . This is why we ‘re here—to observe Tibetan antelopes.
________________我们在这里________________——观察藏羚羊。

5 . When I was a little boy(时间状语从句),   the dinner on the eve of Spring Festival was what I looked forward to most(what引导表语从句,在从句中作介词to的宾语).   
译文: ____________________________

6 . 我想这就是为什么她每天都吸引这么多游客前来吧。（汉译英）

7 . 当我还是个小男孩的时候，除夕夜的晚餐是我最期待的。(表语从句) （汉译英）

9 . I feel as if high school was only yesterday! （英译汉）
我觉得________________!

10 . You just assume I want to be a lawyer, but that’s only because you are a lawyer.
你以为我想当律师, 但是________你是律师。