Because - Because of

We couldn’t sleep because the weather was hot.

--> Because of _______, we couldn't sleep.

We didn’t go fishing because the water was rough.

--> We didn't go fishing because of ...........

She didn’t buy the house because the price was very high.

--> She didn't buy the house because of...........

She only accepted the job because the salary is high.

--> She only accepted the job because of............

Because he drove too fast, he caused a serious accident.

--> Because of ......., he caused a serious accident.

I lost my way because the fog was thick.

--> I lost my way because of ........

He is tired because he stayed up late last night.

--> He is tired because of ..... last night.

They haven’t bought the house because its rooms are small.

--> They haven’t bought the house because of ...........

She failed the University entrance exam because her grades were bad.

--> She failed the University entrance exam because of.........

Because the price is cheap, my wife insists on buying theTivi.

-->Because of ........., my wife insists on buying the TiVi.