There are many small things we can do to reduce the (pollute) ______ of the environment.

A．Customer and waiter.
B．Wife and husband.
C．Boss and clerk.
D．Father and daughter.

A．He doesn’t want to spend too much money.
B．He wants to cat at the big restaurant outside.
C．He doesn’t like to go with her to lunch.
D．He only likes the food his Mom prepares for him.