1, The serious gas leak was the reason why the police had to evacuate all the people in the building.

2, Further information can be obtained by sending a self-addressed envelope to the above address.

3, Because Jim was so hot and thirsty, he sat in the shade and drank some tea.

1. The police had to evacuate all the people in the building because of the serious gas leak
-> The serious gas leak was the reason why the police had to evacuate all the people in the building.
2. For further information, please send a self-addressed envelope to the above address.
-> Further information can be obtained by sending a self-addressed envelope to the above address.
3. Jim was so hot and thirsty that he sat in the shade and drank some tea (because)
-> Because Jim was so hot and thirsty, he sat in the shade and drank some tea.

@hahoang207

~Good luck!!!~

Xin hay nhất + cảm ơn và 5* nha!!!