—There is too much ________ on the floor. Why did you make it much too ________?—Sorry, Miss Gao. I will clean it at once. A. dirty, dirtB. dirt, dirtyC. dirt, dirt
______ it’s difficult to make her dream come true, she never gives up. A. Unless B. IfC. Though
___ good job she does! She is really a clever girl. A. What a B. How C. What
The mobile phone has influenced our life a lot since it_____. A. invents B. is invented C. was invented
Running man is the most interesting TV program_____ I’ve ever seen. A. that B. what C. who
It is a good habit for us that we should nevertoday’s work till tomorrow. A .put on B. put off C. put up