— Can you sing this song in English? — Of course I can. It ______ often ______ by us kids.
If there aren’t so many cars, our air would be much ____.
Why _____ to bed early?
---What do you think of this schoolbag? --- Oh, it looks _____.
How many words have you learned_____ you began to learn English?
--- ____ to Jinan? --- Yes. She went there last year.