27.The distance from Ho Chi Minh city to Phu Quoc Island is about 300km.

It is about 300km from Ho Chi Minh city to Phu Quoc Island.

CT:The distance+from+N+to+N+tobe+about+length.

28.Road users should obey traffic rules strictly.

Traffic rules should be obeyed strictly by road users.

CT: Bị động với đt khuyết thiếu:

S+should/may/can/...+Be+P2+by O.

29.Be careful or you’ll hurt yourself.

If you are not careful,you will hurt yourself.

CT: Câu điều kiện loại 1:

IF S+V+O,S+will+V+O

30.People water the flowers every day.

The flowers are watered every day.

CT: Câu bị động thì HTĐ:

S+are/am/is+P2+(by O)+time.

31. I prefer watching TV to listening to music.

I like watching TV than listening to music.

32. I spend two hours doing my homework.

It takes me two hours to do my homework.

CT:S+spend+time+Ving+O

It takes+S+time+to do+O.

Bài `4` :

`27.` It is about 300km from Ho Chi Minh city to Phu Quoc Island.

`→` The distance + from địa điểm + to địa điểm + is + khoảng cách = It is + khoảng cách + from + địa điểm + to địa điểm

`28.` Traffic rules should be obeyed strictly by road users.

`→` Bị động với khuyết thiếu : S + khuyết thiếu + be VPII + (by O)

`29.` If you aren't careful, you will hurt yourself.

`→` Câu điều kiện Loại 1 : If + S + V(s/es), S + will/can/shall + V(nguyên mẫu)

`30.` The flowers are watered everyday.

`→` Bị động với hiện tại đơn : S + be + VPII + (by O)

`31.` I like watching TV than listening to music.

`→` S + prefer Ving + to Ving = S + like(s) Ving + than Ving

`32.` It takes me two hours to do my homework.

`→` S + spend/ spends/ spent + time + V-ing

= It takes/ took + sb + time + to V