Ex7.
1. Because of his hard life, he left school
2. Because John worked hard and methodically, he succeed in his exam
3. Because it rained heavily, we didn't want to go out
4. Despite his much experience in machinery, .. vế sau giữ nguyên
5. Though it was darkness, ... giữ nguyên
6. Because of the bad driving conditions, we postponed our trip.
7. Because of it pollutions, the water of most rivers is unsafe to drink.
8. Because our parents are genorous, we all have received the best of everything
Ex8.
1. Although she didn,'t like coffee, vế sau giữ nguyên
2. In spite of her dislike for flying, vế sau giữ nguyên
3 although Mary was sad at lossing the contest,... giữ nguyên
4. Despite the cloudy sky, we took ....( giữ nguyên)
5. Although her memory was poor, the ....( giữ nguyên)
6. Despite his frequent absention, ... giữ nguyên