41. Although Mr. Minh was very tired, he tried to finish the work. 

42. Let's use energy-saving bulbs

43. We used the map which is drawn by my sister. 

44. If he have enough money, he will buy abike. 

45. As she behaves badly, everyone hates her. 
Em gửi ạ

1. Although Mr. Minh was very tired, he tried to finish the work (Câu mệnh đề trạng ngữ chỉ sự nhượng bộ: Although: mặc dù)

2. Let's use energy - saving bulbs (Let's + V)

3. We used the map which my sister drew for us/ ...which is drawn by my sister (Mđ quan hệ)

4. If he had enough money, he could buy a bike (If loại 2 vì thực tế là anh ấy không có đủ tiền)

5. As she behaves badly, everyone hates her (Since/as/because: Vì)

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