I. Complete the second sentences :

1. 

-> Vinh really enjoys hanging out with friends.

( enjoy + Ving )

2.

-> Towns are less peaceful than villages.

( be less.. than... : so sánh hơn )

4. 

-> You mustn't leave the room with permission.

( mustn't + Vo : cấm làm gì đó ; mustn't + Vo )

5.

-> You should swallow rapidly if you have hiccups.

( should + Vo )

`2.` Towns are less peaceful than villages

`-` So sánh hơn: S + V + less + adj/adv + than + S

`4.` You must not leave the room without permission

`-` Cấu trúc: must (not) + V-inf + ..

`5.` You should swallow rapidly if you have hiccups

`-` Cấu trúc: should + V-inf + ... = nên làm gì