根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。

1. If he ______ (违反) the rules, he'll have to leave.

2. I hear that a lot of ______ (外国人) came to visit Shanghai Expo.

3. It is ______ (明显的) that everyone wants to visit Disneyland .

4. ______ (四分之三) of the water in the bottle is red.

5. Work hard, and you will ______ (进步) .