They want to know ________ do to help us.
--I'm sorry I made a mistake!-- No body is perfect.
We had an anxious couple of weeks, ____ for the results of the experiment.
____ shocks the audience in the film Back to 1942 is the great suffering the famine(饥荒)brought to Henan people.
He’ll never forget the days ____ he stayed with his grandmother in the village.
The Voice of China has set up a big stage for young people with a talent for music, ____ some of them have stood out among others.