While he was e()
While he was e()
while he was studing为什么要was
while his monther was cooking,he home
He was watching TV while his wife was washing dishes.
He fell asleep while (he was) doing his homework
While he was _____ hair,he called me.
He fell of the bike while riding还是while he was riding?是不是都对?
he fell asleep while he was listening to music 为什么用while
the witness insists that she__the thief while he was stealin
when he was child可以用while替换吗
The computer system suddenly broke down while he was search
1,While he was investigating ways to improve the telescope ,