问题
选择题
— Could you tell me now, Mary?
— A magazine about science.
A．what are you reading
B．what you are reading
C．what were you reading
D．what you were reading
答案
答案：B
考查情景交际和宾语从句。“玛丽，现在能告诉我......吗？”“一本有关科技的杂志。”宾语从句的语序要用陈述句语序，即be动词，助动词do，情态动词can等不能放在主语前。排除A、C；根据now可知，是现在的情况，故排除过去进行时。故选B。