1 . 简一进来， 就大哭起来。(the instant)
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2 . 我正在看足球赛，那时他突然走进来了。（汉译英）

3 . 只有当我们学会与自然和谐共处时，我们才不会成为野生动物和地球的威胁。（汉译英）

4 . 只有当学会与自然和谐共存的时候，我们才不能成为野生生物和地球的威胁。
Only when we learn to exist in harmony with nature ________ ________ stop being a threat to wildlife and to our planet.

5 . 在随后的年代里，这一体系发展成不同的形式，因为这是一段人们居住地域分隔的时期，导致了不同方言和汉字变体的产生。
Over the years, the system developed into different forms, as ________ ________ ________ ________ ________ people were divided geographically, leading to many varieties of dialects and characters.

6 . It is for this reason______________ Spanish is the main official language of Peru. （用适当的词填空）

7 . We are working on the ______ (assume) that everyone invited will turn up. (所给词的适当形式填空)

8 . ______ she spoke I hadn’t realized she wasn’t English. (用适当的词填空)

9 . The museum will open in the spring with an exhibition and a viewing platform ________ visitors can watch the big glasshouses being built. （用适当的词填空）

10 . There__________ __________ __________ __________（…的时代到来了）the old must give way to the new. (根据汉语提示完成句子)