. Whether ways will be found to stop pollution or not is just ______ worries the public.
When he was questioned about the necklace, he_________that he had ever seen it.
.It was reported that the government and the troops_________the victims of the earthquake – stricken areas in Qinghai province.
.Not long ago, a person whom I know very well was_________a robbery.
The school owns many qualified teachers, but when it____________facilities, the school is not modern enough.
Without good instructions of the teacher, you will be likely to________ a lot of bad habits while you are practicing the piano.