In the past I often wrote _____ my parents about my study at school, but now I e-mail them ____ rita@sunshinetown.com.cn or call them ______ 5551 6789 .
Many people do not realize the importance of health __________ they have fallen ill.
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?
—What a beautiful coat you’re having! —________.