(1)This time yesterday Jack_____(mend) his bike.(2)I____(write) a letter at ten last night.
问题描述：
(1)This time yesterday Jack_____(mend) his bike.(2)I____(write) a letter at ten last night.
答
was mending. 过去进行时的用法表过去某个时刻正在进行的动作
2。was writing
答
mended
was writing