It is said that the old coins under the earth for about 100 years by the time they were discovered.
An average of 130000 Chinese _________ abroad for studies every year over the past few years, boosting exchanges in the educational fields
---- I can’t get through to the general manager’s office anyhow. ---- The line is busy. Someone ___________ the telephone.
As we all know,________, the pollution will get worse and worse.
There was a fierce debate about _____we should go on with experiments on creating new life.
----The boy was so hungry that he ate up the whole cake! ----Oh, he was more _____than hungry.