mum asked me to close the windows before going to bed, I forgot to do so.A.Though; but B.Though; / C.Until; them
—I find difficult to learn English grammar. —You can do more English exercises.
Don’t worry about the new words. You can _________in a dictionary.
__________the mooncakes are!
—How do you learn English, Tony? —I often practice English _____ chatting ______ my American friends.
She is a ___________ girl. And she does everything ___________.