1) Our flight was cancelled ......... heavy fog ( because , because of , as result , by ) 2) " Thank you very much " " ..........." ( Are you worried ? ,You're welcome , Not all , Nothing ) GIÚP MK VS CÁC BẠN

2) " Thank you very much " " ..........." ( Are you worried ?, You're welcome, Not all, Nothing )

-> You're welcome 

1) Our flight was canceled......... heavy fog ( because, because of, as result, by )

-> Our flight was canceled because of heavy fog