Every time Ashtita tries to break a record, he reaches a point ______ he feels he cannot physically do any more.
His first book ________ next month is based on a true story.
In order to improve English,________.
The global warming is more and more serious,for which human beings ________.
Taking this medicine,if________,will of course do good to his health.
________such a heavy loss,the businessman didn’t have the courage to go on.