These words are important. Please .
A. write them down B. write it down
C. write down them D. write down it
When you have difficulty, do remember to _________. Two heads are better than one.
A. make a mistake B. give up
C. ask for help D. give advice
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
