The teacher said that light____ much faster than sound.
问题描述:
The teacher said that light____ much faster than sound.
A.travelled B.travels C.will travel D.is travelling
答
B
客观真理用一般现在时(尽管放在宾语从句中)How long ______ John _________(be)ill? He _________(be)ill since September.这道怎么做will... meetwill…… meet你开玩笑?How long ( has ) John ( been ) ill?He ( has been ) ill since September