摘要: ----Do you often hear John in his room? ----Yes. Listen! Now we can hear him in his room. A. sing; to sing B. singing; singing C. sing; singing D. to sing; singing
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—Do you often hear John _____ in his room?
—Yes, listen! Now we can hear him ____ in his room.
—Yes, listen! Now we can hear him ____ in his room.
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A. sing; to sing
B. singing; sing
C. sing; singing
D. to sing; singing
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B. singing; sing
C. sing; singing
D. to sing; singing