—Must I take the medicine every day? —No, you _______.A. must B. mustn’ t C. needn’t
--What do you think of the 3-D printer? --It’s great although it still needs further ______.
_______valuable information you’ve offered us! Thanks so much!
This is ______ unusual course that is taught in ______ university, but it’s of no use to the real life.
I was just beginning to wonder _________.
— How many of you are going to the party? —________, they are all going to the concert.