1)Jim was absent from class yesterday.he was suffering from a bad cold

=> Jim was absent from class yesterday because he was suffering from a bad cold.

2)They decided to move their house.they don't have to travel a long distance to work

=> They decided to move their house so (so that) they don't have to travel a long distance to work

3)mary hurt her fingers yesterday.she was preparing dinner

=>Mary hurt her fingers yesterday while(when) she was preparing dinner

4)At 4pm yesterday,my mother was cleaning the house.I was looking after my younger brother

=> At 4pm yesterday, my mother was cleaning the house while I was looking after my younger brother.

5)They decided to go an excursion.They want to get away from work stress

=> They decided to go an excursion since/because they want to get away from work stress.

6)my father taught me how to use the computer.before that, I did't know how to use it

=> I didn't know how to use the computer until my father taught me how to use it

7)I arrive at the station.I will call you right after that

=> I will call you as soon as I arrive at the station.

8)My brother is very out-going.I am quite reserved

=> My brother is very out-going but I am quite reserved.

9)Mr.peter was walking home.he was robbed of his wallet

=> Mr.peter was walking home when he was robbed of his wallet.

10)I don't have a pet.my mother doen't allow me to have one

=> I don't have a pet because my mother doen't allow me to have one.

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Bài 4

1 Jim was asbent from class yesterday because he was suffering from a bad cold

2 They decide to move the house so that they don't have to travel a long distance to work

3 Mary heard her fingers when she was repairing dinner ysterday

4 At 4pm yesterday, my mother was cleaning the house while i was looking after my younger brother

5 They decided to go on an excursion because they  wanted to get away from work stress

6 My father taught me how to use the computer because i didn't know how to use it before

7 When I arrive at station, i will call you right after

8 My brother is very out going but i am quiet reserved

9 Mr Peter was walking home because he was stolen his wallet

10 I don't have pet because my mother doesn't allow me to have one