10. Because of driving too fast, he caused a serious accident. _____________________________________________________________________________ 11. Because of the snow, the traveler lost the way in the woods. _____________________________________________________________________________ 12. Their project hasn’t been finished because of the lack of money. _____________________________________________________________________________ 13. He is tired because of staying up very late last night. _____________________________________________________________________________ 14. She didn’t receive the prize because of the bad marks in Mathematics. _____________________________________________________________________________ 15. We can solve difficult problems in a few seconds because of the invention of computers. _____________________________________________________________________________ giup em vs a