3. Identify the dependent clauses and independent ones in the following sentences by underlining them and labeling them. 1. He always spends time to do charity even though he is extremely busy. 2. Even though he is poor, he always helps other homeless people. 3. I didn’t take part in some community activities last Saturday because I was sick. 4. I got to the bus stop early so that I didn’t miss the bus. 5. If you had gone to the meeting yesterday, you would have met our former teacher. 4. Choose the correct prepositions to complete the sentences. 1. Please, turn the lights before leaving (off / over / out) 2. I usually get around nine o'clock every morning (on /up /at) 3. Our plane had taken by the time we arrived at the airport! (off / over / up) 4. The meeting was put because the chairman had suddenly got sick the day before (out / away / off) 5. I’m strongly determined. I never give things I planned to do. (in/ off / up) 6. We share the housework, I cook and my brother washes the dishes (over/ off/up) 7. We ran of petrol on the high way and had to walk our motorbike home (away / off / out) 8. His parents worked abroad many years, so he was brought by a nanny. (up / on /in/ of) 9. Why don’t you carry your work? You have finished almost a half of it (in /up /away /on) 10. We will need to find someone to look the baby while we are out tonight. (out /on /after /of)