1. Who goes to school? When do they go to school?
2. Who will know the results of the test in a week? What shall we know in a week? When shall we know the results of the test?
3. Who worked in a library for a long time yesterday? Where did the students work for a long time yesterday? What did the students do in the library for a long time yesterday? How long did the students work in the library yesterday?
4. Who lived in Moscow during the summer? Where did he live during the summer? When did he live in Moscow?
5. Who is watching TV in the living room? What is she watching in the living room?