来自马成良的问题
therearesomepeople(dodth)还是doingsth请用所给词的适当形式填空:Thereareseveralpeople()[lookthrough]booksinthebookstore.此处该填lookthrough还是lookingthrough?为什么
therearesomepeople(dodth)还是doingsth
请用所给词的适当形式填空:
Thereareseveralpeople()[lookthrough]booksinthebookstore.
此处该填lookthrough还是lookingthrough?
为什么
