用括号中所给单词的正确形式填空，每空一词。

1. Help　         　（you） to some fish， Tom.

2. My mother always tells my father to drive more 　        　（careful） at night.

3. Rubbish　                　（separate） into groups in many other cities now， following the practice in Shanghai．

4. As 　            　（secret），you need to check emails and arrange （安排） meetings for your bosses.

5. 　        　 （medicine） researchers will find a way to beat COVID﹣19 successfully in the future.