将下列单句改为复合句,题目如下,急!

题目

将下列单句改为复合句,题目如下,急!
1)I went on an excursion recently. My trip took me longer than I expected. (but)

2)I said to the conductor. I got on the bus. (as)

3)Things got bad recently. He decided to go on a diet. (so...that)

4)He explained that his diet was strict. He had to reward himself occasionally. (so...that)
越快越好，在线等。

答案

1）i went on an excursion recently, but my trip.2)As i said to the conductor, i got to the bus.3)Things got so bad recently that he...4)He explained that his diet was so strict that he had...复合句就...