七年级下册英语哪些词后面加ing
enjoy doing sth[]享受做某事 finish doings sth[]结束做某事 practice doing sth[]练习做某事 mind doing sth []介意某事 be busy doing sth []忙于做某事 have fun doing sth []很开心做某事 have problems doing sth []有问题做某事 have difficulties doing sth []有困难做某事 have trouble doing...