—________ do you have a sports meeting in your school?
—Once a year.
How long
How often
How soon
Robin broke his left leg in the basketball match last week, since then he __________ in bed.
— 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. __________.