A.relates with B.relates for C.relates to
A.since B.because C.due to
A.wait B.to wait C.waited
A.responsible with B.responsible for C.responsible in
A.were B.be C.are
A.Could I get an estimate before placing an order B.What does the estimate include C.How many would you like to order
A.Don’t worry. I can help you with that B.You won’t miss the plane C.Sure, a tight schedule as usual