1.___ a large group, your tone should be clear and loud.
A.When addressing
B.While addressing
C.When you address
D.Upon addressing
2.Pedestrians always cross the street ___ moving vehicles.
A.among
B.between
C.in
D.along
3.Advertising is distinguished from other forms of communication ___ the adviser pays for themessage to be delivered.
A.in that
B.because
C.which
D.whereas
4.I never go past that house ___ I think of my childhood.
A.in which
B.to which
C.with which
D.which
5.They were the B Scouts ___ to help elderly people cross the streets.
A.whose was the task
B.to whom the task was
C.whose task it was
D.it was whose task