You should keep your eyes _____ when you do eye exercises.
— We must act now because time is __________.— Yes. Let’s start.
Is India __________ European country?
— Bill, can I get you anything to drink? — __________.
— Mrs. Liu, can I pass the final exam if I start working hard from now on?— Of course. __________.
— The secretary’s already on the way to the company, __________ she?— __________. She was badly hurt in the accident and sent to the hospital.