题目

 I often hear the girl ______ beautifully next door. When I passed by the door, I heard her ______ just now. A. sing; singing                      B. sings; singC. sing; sings                         D. singing; sing 答案：A。考查非谓语动词。hear sb. doing sth. 强调听见某人正在做某事, 着重动作过程; 而hear sb. do sth. 是听见某人做某事, 着重于听见这件事的发生。句意: 我经常听见女孩在隔壁唱得很美妙。我刚刚从她家门前经过的时候, 听见她正在唱。故选A。Could you tell me ________________? I want to call her now. A. where was Cathy   B. what Cathy’s telephone number is   C. how Cathy was