Team leaders must ensure that all members ______ their natural desire to avoid the embarrassment associated with making mistakes.
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.
I am very grateful to my high school teachers, without _____help I wouldn’t be so excellent.