Our teacher told us that light _____ much faster than sound.
A.traveledB.travelsC.is travelingD.was traveling
B
此題考查賓語(yǔ)從句的時(shí)態(tài)。句意:老師告訴我們光比聲音傳播速度快。當(dāng)賓語(yǔ)從句描述的是事實(shí)或客觀真理,不管主句的謂語(yǔ)動(dòng)詞是什么時(shí)態(tài)都要用現(xiàn)在時(shí)。選B。
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