— Do you know second-hand smoke?
— To protect our health and memory.
A. how we should prevent
B. how should we prevent
C. why we should prevent
D. why should we prevent
— _______ is it from the New Town to the old city centre?
— Less than 30 minutes by underground.
A. How far B. How often C. How long D. How much
— Never give up. If you keep practising speaking English every day, you’ll make great progress.
—Thanks for encouraging me. I know _______.
A. practice makes perfect
B. it never rains but it pours
C. many hands make light work
D. every dog has its day
It’s said that of the water around the world polluted.
A. two thirds; has B. two thirds; is
C. two third; are D. two thirds; have
— Did you see Betty just now?
— Yes. She _____ someone, so I nodded to her and went away.
A. phoned B. is phoning
C. was phoning D. has phoned
According to the rule, children should ______ a nearby school to receive education in Nanjing.
A. enter B. treat C. support D. present
