2.You should turn down the volume at night

 The volume should be turned down at night

3.They suggested that the entrance examination should be taken carefully

 They suggested that we should take the entrance examination carefully

4.Taking care of her puppy is her pesponsibility

7.I suggest we should organize a charity event to raise money

 I suggest that a charity event should be organized to raise money

why not organize a charity event to raise money 

shall we organize a charity event to raise money 

8.I suggest that we should use banana leaves to wrap food

 I suggest that banana leaves should be used to wrap food

 What about using banana leaves to wrap food

why do  not we use banana leaves to wrap food

9.He couldn't meet you since i was busy 

10.Because of funny story we laughed a lot

5.I suggest that the pipes should be gotten a plumber to check in the house

 i suggested that a plumber should be gotten to check the pipes in the house

6.since Hoa was very tired, she has left the party early

7.I suggest that Hoa and Tuan should join our club

8.Although Tuan has a headache, he still stayed up late reading books 

9.In spite of our different class, we often help each other

 In spite of not studying in the same class ,we often help each other

10.Although she tried her best, she couldn't finish her work on time

2.The volume should be turned down at night.

3.They suggest that we take the entrance exam carefully.

4.Taking care of her puppy is her pesponsibility.

7.I suggest that a charity event should be organized to raise money.

Why not organize a charity event to raise money .

Shall we organize a charity event to raise money .

8.I suggest that we should use banana leaves to wrap food.

 I suggest that banana leaves should be used to wrap food.

 What about using banana leaves to wrap food.

why do  not we use banana leaves to wrap food.

9.He couldn't meet you since i was busy .

10.Because of funny story we laughed a lot.

5.I suggest that the pipes should be gotten a plumber to check in the house.

I suggested that a plumber should be gotten to check the pipes in the house.

6.Since Hoa was very tired, she has left the party early.

7.I suggest that Hoa and Tuan should join our club.

8.Although Tuan has a headache, he still stayed up late reading books. 

9.In spite of our different class, we often help each other.

 In spite of not studying in the same class ,we often help each other.

10.Although she tried her best, she couldn't finish her work on time.

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