Section 2: Demonstrative Pronouns. Fill in the gaps with this, that, these, or those. 1. ___ (pointing to a blueprint on the wall next to you) is the new lathe design. 2. ___ (pointing to old welding torches on a far shelf) are no longer in use. 3. ___ (holding a USB drive in your hand) contains the CNC program. 4. ___ (gesturing to photos from last summer's internship) were the best weeks of my life. 5. Can you pass me ___ wrench? (the one near you, not the one in my hand) 6. ___ (tapping a diagram on your screen) is the electrical circuit we need to test. 7. ___ (pointing to servers across the data center) are the main database systems. 8. I really enjoyed ___ welding course. (the one that finished last month) 9. ___ (looking at a report you just printed) is my internship summary. 10. ___ (pointing to tools on a distant workbench) belong to the night shift team.