Answer:1. Mother ran out of LPG while cooking lunch, so she dials the company's phone number and order a new tank of gas.2. Father cannot go home right away due to heavy rains, so he waited until the rain was no longer heavy and then went home.3. I was doing my homework when the lights went off, so I reached for the light switch to turn it back on.4. There are caterpillars on the leaves of the roses, so I removed them.5. Some of my classmates are underweight, so they try to eat more often.