问题补充:
单选题Theteachersaidthatlight___fasterthansound.A.travelledB.had travelledC.travelsD.were travelling
答案:
C解析这里的that引起宾语从句是指一条真理,所以要用一般现在时。
时间:2019-10-28 08:39:17
单选题Theteachersaidthatlight___fasterthansound.A.travelledB.had travelledC.travelsD.were travelling
C解析这里的that引起宾语从句是指一条真理,所以要用一般现在时。