1.Has George handed his exercises yet
2.Did they come the day before yesterday?
3.Has Tom been ill for a week
4.Does he study very hard every night?
5.Are you doing your home work in the study?
加油!不明白再问!
1.Has George handed his exercises yet
2.Did they come the day before yesterday?
3.Has Tom been ill for a week
4.Does he study very hard every night?
5.Are you doing your home work in the study?
加油!不明白再问!