George couldn't remember when he first met Mr.Anderson,but he was sure it was______Sunday because everybody was at______ church.
_______air pollution getting worse, the government needs to come up with some effective measures to deal with it.
To her joy, Della earned first the trust of her students and then ____ of her colleagues.
It was not until she failed in the exam ______she realized the importance of study.
________at the restaurant with a wide variety of dishes served before, Bob didn’t want to eat there again.
He was about to tell me the secret ______ someone patted him on the shoulder.