2. She didn't buy the house because of.
3, She only accepted the job because it brought high salary .
4, We couldn't sleep because of the hot weather .
5, Because the World War II happened, women took over business for their absent husbands .
6, We didn't go fishing because of the rough sea .
7, She was very angry because of his bad behavior .
8, He couldn't sleep because he worried .
9, Because he drove too fast, he caused a serious accident .