来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/08/08 19:57:16
—Do you often hear John______ in his room? —Listen! Now we can hear him______ in his room. A.sing;to sing B.singing;singing C.sing;singing D.to sing;singing
解题思路： hear sb.do sth.意思是“听见某人做某事”。hear sb.doing sth.意思是“听见某人正在做某事”。
解题过程：
答案：C
最终答案：略
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