单项选择题
W: May I go to the chemistry lab, Mr. Liu M: What for W: I want to do that experiment once again.
A. To do one more experiment. B. To do the same experiment again. C. To get the result of the experiment.
A. To get a new job. B. To have a trip aboard. C. To change a place.
A. On Saturday. B. From Monday to Friday. C. On Sunday.