1. The downtown area is very crowded. It is difficult for you to get a taxi

=> The downtown area is so crowded that it is difficult for you to get a taxi.

2. My sister is very young. She can't go to the zoo alone

=> My sister is so young that she can't go to the zoo alone.
3. => The road is so narrow that it is difficult for two cars to pass each other 
4.The children didn't want to go to bed early because the TV proramme was very interesting.

The TV programme was so_interesting that thư children didn't want to go to bed early _________________________________________________________

5.) The streets are very crowded. Traffic jams usually happen.

The streets are so_ crowded that traffic jams usually happen_____________________________________

6.) The weather was lovely. We spent the whole day in the garden.

It was such_lovely weather that we spent the whole day in the garden ________________________________________________

7.) The sightseeing tour was wonderful. We all enjoyed it.

I was such_a tour sightseeing that we all enjoyed________