while he was studing为什么要was
while he was studing为什么要was
While he was e()
he fell asleep while he was listening to music 为什么用while
While he was going shopping,I slept还是was sleeping,为什么?
What was Tom doing____it was rain 填while 为什么要填while呢.
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 was bored为什么用was?
He was listening to music while he was playing computer game
While he was waiting for the bus,he was reading a newspaper.