Since advertising can increase sales of production, _____it can _____the price.
---Will Tony come to the party tonight? ---I’m not sure. He _______stay at home preparing for the coming exam.
The house I grew up _______ has been pulled down and replaced by a hospital.
______ the project in time, the staff have been working at weekends since last summer.
---Why do you keep looking back? ---I have a feeling that we _______.
Tom is determined to go on _______ voyage across the Atlantic Ocean again although he is still in ______ bad condition.