I Ⅱ
Why can't we eat too many sweets? A. It's my brother's.
Whose jacket is it? B. Yes, please.
Where are John and Joe? C. All the students can.
Who can go to the party? D. They are in the park.
When does Mike have to read English? E. Because they're bad for our teeth(牙齿).
Would you like some tea? F. He has to read English at weekends.