Nam / leave/ school because / bad / health / though / he / good / student. (VD) A. Nam leaves school because of his bad health though he was a good student. B. Nam left school because of his bad health though he was a good student. C. Nam left school because his bad health though he was a good student. D. Nam leaves school because his bad health though he was a good student

1 B

GT:
1 vì sự việc đã xảy ra ở quá khứ nên phải chia quá khứ

2 his bad health là cdt nên phải đi với beacause of: CT: because of/due to+ N/Ving

#XIN HAY NHẤT Ạ#
#CHÚC HỌC TÔT#

`Answer:` `B.` Nam left school because of his bad health though he was a good student. 

`->` Because of + N/V_ing = Because + S + V : bởi vì

`->` Because of + N : khi 2 mệnh đề khác chủ ngữ

`->` Because of + V_ing : khi hai mệnh đề cùng chủ ngữ 

`->` "his bad health" là cụm danh từ nên phải đi với because of