—What did you do last night?—I______________my homework but nothing else. 

With the fast development of computer and Internet technologies, traditional printed books ______ by the growing popularity of online reading of e-books.

He seemed as if he ___ his homework when his mother came in.

 In order to stop poverty, the World Bank has ______ its focus to providing technical assistance and long-term loans to developing countries.

--What kind of job have you ever done before?--Oh, I _________ for an engineering company for three years,