单项选择题
W: This box is too heavy to carry. M: Here, let me give you a hand.
A. He is diligent. B. He is playful. C. He is helpful. D. He is unfriendly.
A. She doesn’t know what to do. B. She doesn’t like to help him. C. Mr. Brown may give the man a good TV set. D. Mr. Brown can fix the TV set for him.