. _____ number of students in each class is on_____ decrease.A The, a B The, the C A, the D A, a
Mr. White is a careful and experienced engineer, so he is often to finish some challenging tasks.
—I just can’t stop worrying about the result of the English examination.—___________.There’s nothing you can do but wait..
The police including an officer searching for the murderer in the area the other day.
Alice spent much time _____ the piano each day.
--- You are always full of _____. Can you tell me the secret?--- Taking plenty of exercise every day.