Class is over. Let’s stop______ a rest.

A. having????????????? ????????????? B. to have????????????? ??? C. had????????????? ????????????? ??? D. have

 —Class is over.

—Look, _________ number of students are playing football there. Let’s go and join them.

A. /                 B. a                  C. an                D. the

—Class is over.
—Look, _________ number of students are playing football there. Let’s go and join them.