问题详情:
—Where on earth did you get the book?
—It’s from Mary, if you ________ know.
A. should B. could C. must D. may
【回答】
C
知识点:虚拟语气与情态动词
题型:选择题
问题详情:
—Where on earth did you get the book?
—It’s from Mary, if you ________ know.
A. should B. could C. must D. may
【回答】
C
知识点:虚拟语气与情态动词
题型:选择题