.Ten minutes earlier________we could have avoided the accident

75Taiji boxing is good _____ health, so the old man began to practise it ten years ago and now he is good _____ it

Cold ______ the night air was, he slept soundly because he was so tired after working for a whole day.

Are these books ________—No, they are not mine . They belong to ________.

The victim’s parents have offered a(n)______ for any useful information ______to the arrest of the murder.