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………, A BAT SENDS OUT A SERIES OF SIGNALS, WHICH BO...
………, A BAT SENDS OUT A SERIES OF SIGNALS, WHICH BOUNCE OFF ANY OBJ...
Lớp 12
DE THI TONG HOP TIENG ANH 12
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52. ………, a bat sends out a series of signals, which bounce off any object in itspath.A. When in flyingB. While it is flyingC. when they are flyingD. Once flying
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52.
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DE THI TONG HOP TIENG ANH 12