Question

she works hard _______ English and she does well _______ it.
A at, in          B in, at            C with, in          D in , in

Answer 1

A

work hard at是固定短语“努力学习；在……努力工作”； do well in 是固定短语，无论发生什么时态都不变“…做得好”，故选A。