.In our school library, there a number of books on science and the number of them growing larger and larger. A.is, are B. are , is C. have, is
—I’m going to Hainan with my aunt for my holiday after the exam. —_______.
—What do you think of Liu Huan? —Oh, he is my favorite singer. I think no one can sing________.
Everybody should remember it is not _________ to swim in the river alone.
Some students are so ______ that they often make mistakes in their homework.
It’s about 5 away from here to the mountain.