英语题,高手来,急词形填空.1.________27 by 3,and you have 9.________27 by

英语题,高手来,急
词形填空.
1.________27 by 3,and you have 9.
________27 by 3 is 9.(divide)
2.________12 and 4 is 16.
12______to 4 is 16.
________12 and 4,and you have 16. (add)
3. 15______from 20 is 5.
_______15 from 20,and you have 5. (subtract)
4.________of people are spending their holidays in this little city.
(thousand)
谢谢!