Besides Joy, _____ two girls failed in the PE test.

Professor Hawking stepped into the office I knew that there was no hope

In the past I often wrote _____ my parents about my study at school, but now I e-mail them ____ rita@sunshinetown.com.cn or call them ______ 5551 6789 .

I arrived late and missed the flightI ____ the traffic to be so heavy

Upon reaching an ________ age, more often than not, children are encouraged, but not forced, “ to leave the nest.”