Fill in the gaps with articles if necessary: а, an, the,I,

Fill in the gaps with articles if necessary: а, an, the,I, She lives in ... Switzerland in ... small town near the mountains -2. ... sand is used to make glass.3. John doesn39;t like ... tea, he prefers ... coffee.4. In winter I always go to ... Crimean Mountains to ski.5. My son plays ... piano rather well.6. He finished his work late in ... evening.7. He fell in love with her at... first sight.8. Her brother entered ... Oxford University.9. Bob visited Canada and saw ... Niagara Falls.10.Coming home we saw ... new Ukraine.Fill in the gaps with articles if necessary:а, an, the, -