6.This bill isn t right. They ______ a mistake a)had made b)have made c)has made 7.We...

Question

6.This bill isn t right. They ______ a mistake
a)had made
b)have made
c)has made
7.We were late.The bus _____ just____
a)has,gone
b)had,gone
c)have,gone

Answer 1

6)b)have made 
7) a)has,gone

Answer 2

6)Have made
7)Has gone