---Why are you so happy?--- ______ the teacher’s help, I found the answer ______ the question.
There ______ a park near here. Shall we take a walk?
— ______ is a ticket to Garden Expo? — It’s about 100 yuan.
Flowers usually come out ______ spring every year.
This isn’t my T-shirt. ______ is blue.
We don’t have enough nurses to look after the patients. At least _____ are needed.