By the year 2015, all of China's museums will be free to enter. We_______visit anymuseum without paying.A. can b. need C. must D. should
Paul doesn’t have to be made _______ . He always works hard.
—Would your brother go for a picnic this Sunday? —If I don’t go, _______________.
I must return the book to the library. I _____ it for one week.
You should eat lots of _______, because it’s good for your health.
I saw them _____ basketball at this time yesterday.