A ( 内から適切な語を選び, 文を完成させて言いましょう。 1. The number of people (who / which / whose) buy e-books on the Internet is increasing. 2. The news (who / that/ whose) reported a new technology was incorrect. 3. The cleaning robot (which/ whose / whom) my uncle gave us works well. 4. I've met the inventor (which/ whose / whom) picture is on the front page of today's newspaper.