Answer: First sentence: My Dad and I had a long talk this morning.
Second sentence:Do you like any of the girls in your class?
Third sentence: (I Can't see the question)
Forth sentence:I started driving a car, when I was twenty-one.
fifth sentence: Linguistic studies origin of the language (can't read the rest).
sixth sentence: The time we spent in London was exciting!
Explanation: 1#. I put it like had A long talk... Because it would make sense with a being there.
2#. Of didn't make sense so I used precise spelling called the.
3#.I can't read some of the sentences because of the typing space.
4#. I turned the 21, to a actually twenty-one.
5#. I took away the s from Linguistic, and origin cause it didn't make sense at all.