—Must I clean the classroom now?—No, you_______.A. mustn’t B. can’t C. needn’t
Mrs. Li works hard to buy a large house ______________.
There _________ be a fashion show in our town tomorrow.
-Would you like to go fishing with me now? - ________ But I must finish my work first.
There are ___________ days in a year.
-What is your friend like? -___________.