The scientist corresponds with colleagues in order tolearn about matters ________ to her own research

Chan’s restaurant on Baker Street,_______ used to be poorly run,is now a successful business.

He appears to be strong and healthy, but, ____ he suffers from a very weak heart[ ]

.Thirty thousand yuan as well as hundreds of tons of food______ to the flooded area

Does your father still smoke—No, he has succeeded in_____ smoking for three years.