I have difficulty __________ the article.—Remember __________ it three times at least.
You should ______ careful in your work and life every day.—You’re right.
had a traffic accident and hasbeen sent to the hospital. Did you tell her boss about it— Yes, but I _____ her husband first.
With science and technology advancing, plentiful kinds of medicines are being developed to _____ us of our pain caused by diseaese.
May I smoke here?— No, you ________. Can’t you read the sign “NO SMOKING”?