In some parts of Asia, a person mustn’t sit with his feet _____ another person, _______ isconsidered impolite.
_______ medicine works in a human body is a question _______ not everyone can understand fully.
The plan to be carried out next month needs _______ among the members of the labor union before _________ .
She is fed up with sharing a house with others; ___, she is looking for her own flat.
_____ you eat the correct foods _____ be able to keep fit and stay healthy.
Every student as well as teachers who ____ to visit the museum_____ asked to be at the school gate on time.