题干
— Mom, I was the first to reach the top of the mountain.
— Good job, Charlie. I'm ______ of you.
A：tired
B：proud
C：sure
D：sick
答案(点此获取答案解析）
B
— Mom, I was the first to reach the top of the mountain.
— Good job, Charlie. I'm ______ of you.
A：tired
B：proud
C：sure
D：sick
