Choose one underlined word or phrase A, B, C, or D that needs correcting. 1 . While they were having dinner, someone was knocking at the door. A.While B.were having C.was knocking D.the 2.They wanted stay at home to watch TV in the evening. A. stay B. at C. to watch D.in the evening. 3.If I had enough money with me now, I will buy that coat. A.enough money B.me C.will buy D.coat explain "why?"