【正文】
o practise hard these days.3. Sandy will design the posters for the art festival.She can draw very well.→ Since/As Kitty will dance at the song and dance show, She has to practise hard these days.→ Sandy will design the posters for the art festival since/as she can draw well.4. Some students love painting and taking photos. There will be a students’ art show.5. The art festival is open to all students and parents. Everybody is wele.→ Since/As Some students love painting and taking photos, there will be a students’ art show.→ Since/As The art festival is open to all students and parents, everybody is wele.用 because或 since/as連接句子1. _______ it is raining, you’d better take a taxi.2. _______ you are wrong, you should apologize.3. —Why didn’t he e? — _______ he was too busy.4. ________ this method does not work, let’s