Dolphins aren't dangerous. They are very friendly. They love playing withpeopleDolphins can't breathe underwater, but they can stay underwater forabout 15 minutes, e Dolphins live in familiesDolphins have names. Their namesare special sounds. They use thesounds to call their frends andfamilyDolphins can't live in polluted water, but a lot of the sea is polluted. Wewant to make the sea a clean and safeplace for dolphins​

1 We had a great time in Madrid.
2 Sally wrote a letter to Jim.
3 I sent my regards to her parents.
4 She never wore sunglasses.
5 Dan found somebody else's watch.
6 We went to the city centre
7 His grandparents became older.
8 The teacher began the lesson five minutes earlier.
9 The neighbours' dog bit me.
10 Somebody broke their window.
11 Nina got the job of a waitress easily.
12 I grew up in the land of high mountains.
13 They overcame the difficulties.
14 He could rely on them.
15 Lena paid the monthly rent.