【题目】选词填空。
A. couldn’t B. quiet C. active D. different
【1】I am ______ now. I was short before. I am tall now.
【2】I was so short before. So I ______ ride my bike.
【3】Now, I am ______ in class. I often answer many questions.
【4】I was ______ before. I didn’t have any friends.