Question

【题目】It's 10 o'clock in the morning. Mary ________ a math class.
A.takes
B.taking
C.is taking
D.take

Answer 1

【答案】C
【解析】句意：现在是早上十点。玛丽……数学课。根据句意可知此处应该使用现在进行时，故选C。