We're tired because we have ________ yin.
—________ does it take to go to Hangzhou from Wenzhou by train?—It usually takes about three hours.
I heard the news about the missing airplane MH370 ________ the morning of 8th March, 2014.
There is something wrong with my ________. I can’t hear you clearly at all.
My friend had ________really unusual experience last year.
---Our class won the first prize in the school football match last week.---________