Mrs. King can speak Chinese very well, but she can only write______ Chinese words.

It is very important for us to _______ between good and bad.

You see, “Food Safety” receives thousands of Internet hits a day.—Obviously, it has become one of the________ topics recently.

_________ you spell it ? – Yes, I can. P-E-N, pen.

Mrs Green has ____daughters,and mary is her _____daughter.