—When is International Labor Day (国际劳动节)?—It’s on ______.A. June 1st B. October 1st C. May 1st
--Can I have some more ice cream, Mum ? ---Sorry. There is ______ left in the fridge.
--______ have you stayed in this school ? ---For three years.
Without friendship, one won’t be happy _____ he is very rich.
Bob,_______ your coat. It’s cold and windy outside.
---- Don’t worry. I will help you. -----Thank you. It’s very kind ______ you to say so.