Exercise 5. Make questions for the underlined part in each sentence: 1. He cleaned the room yesterday. When ...................................... ? 2. I walked to school Last Monday . How ..................................................? 3. My sister bought me a new hat last week. What ..........................................? 4. We stayed in a hotel last summer vacation. Where ..........................................................? 5. She got up at six o’clock this morning . What time ....................................? ______________________________