听见某人正在做某事
see sb doing hear sb. do sth.
听见某人做某事
hear sb do ( doing) sth
听见某人(正)在做某事
hear people shouting in the street hear sb. doing sth.
听见某人在做某事
hear sb doing listen to sb. do sth.
听着某人做某事
hear sb doing His neighbor heard them making a noise.
他的邻居听到他们发出一种噪音。平时作业
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