________ book on the desk is ________ useful one.A. The;an B. A; a C. The; a
— It’s dangerous to walk across the street carelessly.— You’re right. We can’t be careful while crossing the street.
----It seems that it will rain. Take my umbrella.---- _______. I have a raincoat in my bag.
---Did you have any problems in Paris?---Yes, _____Chinese food like rice, noodles and dumplings is difficult..
---- _______ do you think of our new English teacher?----Oh, very great. She is so kind to all of us.
What he said reminded me_______ my old friend Jack.