That was a difficult question, but Mary still __ to work it out. A. did B. failed C. kept D. manag
问题描述：
That was a difficult question, but Mary still __ to work it out. A. did B. failed C. kept D. manag
答
D manage to do sth 设法做某事
答
D
答
D manage
那是一个难题,但是玛丽仍然做出来了.
）