XI. Complete the second sentence so that it has a similar meaning to the first sentence, using the word in capital.
37. Boiling an egg is not difficult. (IT)
=> ……………………………………………
38. The ancient Egyptians built the pyramids. (WERE)
=> ……………………………………………
39. Cairo is hotter than London. (SO)
=> ……………………………………………
40. It's two years since I was last in Hanoi. (FOR)
=> ……………………………………………
