— Can you sing this song in English? — Of course I can. It ______ often ______ by us kids.
---What’s your favorite subject? ---________, because I am interested in numbers.
--Is your hat on the sofa?
I’m _______ thirsty, can you give me _____ water?
Which sign(标志) means “turn left”?
The chairperson is very modest.He never_________.