Listen! I hear someone________ the door.
A. to open B.opening C. openning D. open
—I’m going to Hainan with my aunt for my holiday after the exam.
—_______.
A. Have a good time B. It doesn’t matter
C. You are welcome D. Thanks a lot
—What do you think of Liu Huan?
—Oh, he is my favorite singer. I think no one can sing________.
A. good B. well C. better D. best
Everybody should remember it is not _________ to swim in the river alone．
A．healthy B. safe C．possible D．comfortable
Some students are so ______ that they often make mistakes in their homework.
A. careful B. serious C. careless D. successful
It’s about 5 away from here to the mountain.
A. hundred meters B. hundreds meter
C. hundreds meters D. hundred meter
