正确形式填空 急、、、 马上就要、、、

正确形式填空 急、、、 马上就要、、、
Edison bacame a great inventor when he was in his____.(20)
______of the students in our class have been to the Great Wall.(1/3)
______of the water is drunk by the children.(4/5)
All the teachers live on_____floor.(2)
It is said that______tourists visit Geyuan Garden every day.(3000)
If a=3,b=4,what's the answer to the question:a+2ab+1=?________.
The road is over______metres long.(652)
_______is Teacher's Day.(9.10)
Jack is now in Grade______.(3)
It took him______hours to finish the work.(1小时30分)

1.twenties
2.one-third
3.four-fifths
4.second
5.three thousand
6.twenty-eight
7.six hundred and fifty-two
8.September 10th
9.Three
10.one and a half