—Hi, why are you here?—I ________ for Susan for 15 minutes.A. have been waiting B. have waiting C. am waitingD am been waiting
-Tom didn’t go to school this morning, did he? -______. Though he had a bad cold.
-All the dresses look nice. I can’t decide _____. -I think the orange on is the best.
-I can’t find the bookstore _____ my father bought the book for me yesterday.
_____ bad weather it is. It has been raining for two weeks.
-How do you feel when you hear the good news? -It makes me _____ very excited.