At present, the students in China take more exercise. Most of them are ______ than before.
A. strong B. stronger C. strongest D. the strongest
—What a beautiful key ring! __________is it?
—Only 5 yuan.
A. How old B. How far C. How long D. How much
Jack will have a math test this afternoon. He needs a__________.
A. hat B. ruler C. radio D. camera
You are old enough to make decisions by __________.
A. himself B. herself C. yourself D. myself
There is __________backpack on the desk. It belongs to Tom.
A. a B. an C. the D. /
用括号内所给单词的适当形式填空。（5分）
1. A balanced diet can help us keep__________. (health)
2. School is over. Some students are busy __________the floor, (sweep)
3. The Greens live on the __________ floor in this tall building, (six)
4. Look! The boys and girls are playing games __________. (happy)
5. Many kinds of__________ are on show in Changchun Park every year. (flower)
