Must I clean the room now,Mom?
No,_________.( )
A.you mustn'tB.you needn't
C.you can't
—The air pollution is terrible. —It will be worse________we take action to protect the environment.
—How long________you________? —For about two years.
Everyone was________when they heard the________news. A.exciting;exciting B.excited;exciting C.exciting;excited
—Do you agree________me? —Yes,I d0.Drinking milk is good________our health.
He never takes exercise and eats too much junk food.He is becoming________than before.