—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just now I sent for him.
— I’ve decided not to go to my sister’s wedding. — You’re not going? ________?
Only when the countries in the Middle East are no longer at war _____able to live a peaceful life.
Practice speaking English as often as possible and _____your spoken English will improve.
Our neighbor offered to look after our baby yesterday when we were busy, _____is often the case.
---How long has your brother been working in this factory? ---_____he dropped from school in 2010.