Rewrite the following sentences without changing the meaning.
47. Hurry or you will be late for the performance.
→ If you don’t _______________________________________________________________. 48. If we can’t buy tickets for the British museum, we will go to Kensington Gardens.
→ Unless ___________________________________________________________________.
49. The Nile is longer than any other river in the world.
→ The Nile is _______________________________________________________________.
50. The average temperature in Sydney is 18.30 C and the average temperature in Toronto is 7.40 C .
→ Toronto is ________________________________________________________________