Read the following passage and choose the letter A, B, C or D to complete the passage

Read the following passage and choose the letter A, B, C or D to complete the passage.
Are you planning your next trip? Then why not visit London? London is one of the most exciting cities in the world. Sights and attractions There are lots of things to see and do in London. Walk around the centre and see famous (1)…………. like Big Ben and Westminster Abbey. Visit the Tower of London where England’s kings and queens lived. Go to Buckingham Palace at 11:30 and (2)…………. the famous ‘Changing of the Guard’ ceremony. And don’t miss London’s art galleries and museums - (3)……….… are free to get into! Shopping There are over 40,000 shops in London. Oxford Street is Europe’s (4)………………. high street with over 300 shops. Eating With over 270 nationalities in London, you can try food from just about every country in the world. Make sure you try the UK’s most famous dish - fish and chips! Getting around London has a quick underground train system (the ‘tube’ as the locals call it). (5)……… are also the famous red ‘double-decker’ buses. The tube is quicker, but you will see more of London from a bus!
1. A. sights         B. landscapes      C. landmarks      D. facts
2. A. notice         B. see                C. realize            D. take
3. A. lots            B. much              C. more              D. most
4. A. busy          B. busier             C. busiest           D. the busiest
5. A. They          B. There              C. These            D. Those