Some questiones!Help!Help!(初一以上者come on!)

1.Before you take the medicine,you must read the i_______ on the bottle.
---instruction.
---服药之前,要看一下瓶子上的说明
2.It is n_____ for you to take the medicine on time.
---necessary
---你最好按时服药
3.We should speak to the old p______.
---people
---我们要和老年人多交流
4.Please read the article ________(two)
---twice
---请阅读这篇文章两遍
5.Dad!Come here quickly !There's something ________(usual)
---unusual
---爸爸,快来,有点不寻常.
6.do you know when _______(go) to tje farm?
---to go
---你知道什么时候去农场吗?
7.when not ______(come) with us?
---come
---为什么不和我们一起?(这句是不是why not?)
8.The sun shines in ______the window .
---through
---阳光穿过窗户射进来.
9.what's your reason _____such a thing?
---for
---什么原因让你这么做.(reason for固定搭配)
10.We celebrate Christmas _____giving each other presents.
---by
---我们互赠礼物庆祝圣诞节.(by用什么样的方式)