______ there a map and two posters on the wall?
—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.
—Which do you like , summer or winter? —I prefer summer.