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— Would you like to ______ the discussion in our classroom?
— I’d love to, but I’m ______ busy right now.

Amazing! Too many private cars are trapped on the highways which is free of charge for the first time, causing heavy traffic jams, some even _______ for several hours.  

---- Sorry, I have to ______ now. It’s time for class.
---- OK, I’ll call back later.

Be sure to read the ________ on the bottle carefully and take the right amount of medicine.

Xiao Shenyang ______ the audience with his performance and humorous words.

We are looking forward to ________ you as soon as possible.

When it comes to the human tendency to use the right hand much more often than the left hand, we seem to have __________ it from our animal ancestors, namely monkeys and chimpanzees.

--- I’m sorry I ________ make it yesterday. I ________, but I was really busy.
--- That’s fine. I know you are usually busy at this time of year.