1.The shirt is very beautiful.

->What a beautiful shirt is!

cấu trúc câu cảm thán: 

what+a+adj+N+v+....

2 Polar bears are in danger of becoming extinct because the world is getting warmer.

cấu trúc because:

S+v.... +because+S+v

3 Phong ran more slowly than Ba

cấu trúc so sánh hơn với trạng từ : S + to be  + more + adv + than + Noun/ Pronoun

4 You should start early, otherwise, you won't get stuck in the traffic.

cấu trúc S+v.... +otherwise+S+v...

5 that lesson is more difficult than this one

cấu trúc so sánh hơn với tính từ dài : S + to be  + more + adj + than + Noun/ Pronoun

6 They believe they have to pray to the god, otherwise, the God won't bless them.

cấu trúc S+v.... +otherwise+S+v...

7 We haven't met each other since we lived the Ho Chi Minh City.

8 She is the prettiest girl I have met before.

gửi bạn ~~~~~~