题目

He’d like to _______ to his friend’s home and tell him the news. A. come out      B. come over       C. come down      D. come up 答案：选B。句意: 他想来他朋友家告诉他那个消息。come out意为“出来”； come down意为“下来”； come up“过来”，均不符合句意。在四边形ABCD中，∠A=90°，∠C=60°，则∠B+∠D=________度．