根据题意，用括号中所给词的适当形式填空。（每小题1分，共5分）
It was her ______ time in Shanghai in 2012.（one）
Mike hardly ever exercises, so he is a little ______.（health）
They will do a survey about the students’ ______.（active）
The students will go to the park if it ______ tomorrow.（not rain）
How______ sugar will you put in the milk.（many）