问题
选择题
| I often hear her ______ this song. Listen! Can't you hear her ______ in the next room? |
A. sing; sing B. singing; singing C. sing; singing |
答案
答案：C
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| I often hear her ______ this song. Listen! Can't you hear her ______ in the next room? |
A. sing; sing B. singing; singing C. sing; singing |
答案：C