—Must I go to see a doctor when I have a cold? —No, you _______.A. don’t B. needn’t C. can’t
— Is this __________classroom? — Yes, it’s________.
—________do you spell computer? —C-O-M-P-U-T-E-R.
—Are these buses? —________________.
— This is my ruler. _________ the blue pens? — They are Helen’s.
I am not tidy, ________my brother is.