Question

1)She can't work hard because she very old.

→Because of

2)He like her because she is beautiful.

→Because of

3)He couldn't go to school because he was very poor.

→Because of

4)I can't buy this bike because I don't have enough money.

→Because of

5)We can't go for a walk because it rains heavily.

→Because of

6)He left school because his life was hard.

→Because of

7)He couldn't meet you because of being busy.

→Because

8)She went to bed early because of her sickness.

→Because 

9)Tow cars can't pass each other because of the  narrow road.

→Because 

10)We spent the whole day in the garden because of lovely weather.

→Because

11)We can swim in this part of the river because of highly polluted water.

→Because

Answer 1

1)She can't work hard because she very old.

→Because of being old, she can't work hard

2)He like her because she is beautiful.

→Because of her beauty, he likes her

3)He couldn't go to school because he was very poor.

→Because of his poverty, he couldn't go to school 

4)I can't buy this bike because I don't have enough money.

→Because of not having enough money, I can't buy this bike 

5)We can't go for a walk because it rains heavily.

→Because of the heavy rain, we can't go for a walk

6)He left school because his life was hard.

→Because of his hard life, he left school

7)He couldn't meet you because of being busy.

→Because he was busy, he couldn't meet you

8)She went to bed early because of her sickness.

→Because she was sick, she went to bed early

9)Tow cars can't pass each other because of the  narrow road.

→Because the road is narrow, two cars can't pass each other

10)We spent the whole day in the garden because of lovely weather.

→Because the weather was lovey, we spent the whole day in the garden

11)We can swim in this part of the river because of highly polluted water.

→Because the water was highly polluted, we can swim in this part of the river