7.The teacher told us ___________________.A.that light traveled faster than sound B.if light tra选哪个C.that light travels faster than sound D.if light travels faster than sound

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7.The teacher told us ___________________.A.that light traveled faster than sound B.if light tra选哪个C.that light travels faster than sound D.if light travels faster than sound
7.The teacher told us ___________________.A.that light traveled faster than sound B.if light tra
选哪个
C.that light travels faster than sound
D.if light travels faster than sound

7.The teacher told us ___________________.A.that light traveled faster than sound B.if light tra选哪个C.that light travels faster than sound D.if light travels faster than sound
A

C
真理性的事实用一般时