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My uncle knew little about the famous film Queen        he saw it yesterday evening.

—May I go swimming this afternoon?
— I'm afraid not _______ you have finished your homework.

—Does your grandpa often walk the dog after supper?
— Yes, _________ bad weather stops him.

—How big the Green Expo Garden is!
—It is. You will get los t easily        you have a map or a guide.

      you become a professional soccer player, you will have a happy life.
A. If                     B. Unless             C. Until

It was very windy and cold, _____ they were still working hard in the field.
A. as         B. till           C. but          

Don't be afraid of asking for help ______it is needed.

It was snowing hard_______we had to stay at home and watch TV.

—Your grandparents were very great.                           
—Yes. They supported my father’s schooling ______ they were very poor.

—Will you come______have a drink with me?
—I’d love to, _______I’m too busy these days.