Ben, can you come to play football with us now – ________, but I have to wash the dishes first.

________time goes by, Mother’s hair has turned grey and the wrinkles on her face deeper.[ ]

_____ my book. ____ your book.

There are differences about how _____ we stand to someone we are talking to [ ]

Why do you always go to Zhejiang University on weekends— Because there’re lots of great speakers I can practice English in the English Corner there.