The word “It” in line 4 paragraph 2 refers to _____.Đoạn văn2/92The word “It” in line 4 paragraph 2 refers to _____.The Tower of LondonBig BenThe Crown JewelsTower BridgeGiải thíchĐáp án ADẫn chứng “Tower Bridge is near the Tower of London. It was opened in 1894.”