用所给词的适当形式填空.My uncle ______(use) to be a worker,but he is a teacher now
问题描述:
用所给词的适当形式填空.My uncle ______(use) to be a worker,but he is a teacher now
答
used
used to ...过去(常常) 固定句式
我叔叔过去是个工人,但现在是个老师.