A red light will start continuously flashing when the batteries____ low.
A．getB．will getC．a(chǎn)re gettingD．got
C
考查時(shí)態(tài)。本題是現(xiàn)在進(jìn)行時(shí)表示將來時(shí)，句意：在電池電量就要變低的時(shí)候，紅燈會(huì)開始閃爍。Are getting low就要變低。
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