---Do I have to sell my old computer? It almost stops working.
---You ________ do so, it only needs ________. Something has gone wrong with it.
| A．mustn’t; to repair | B．may not; to repair |
| C．needn’t; repairing | D．can’t; repairing |
---Don’t run in the hallways.
---______,I won’t do it again.
A. Sorry B. ExcuseC. No
What do you usually do____ Sunday mornings.
A. inB. atC. on
--________does your uncle do? - He is a teacher.
A. What B. WhereC. How
It’s too dark, I_____ go home.
A. canB . have toC. need
Why______ he like koala bears?
A. isB. doesC. do