Complete the sentences with "ing" or "to " form of the verbs :
to be, to do , to make, to spend, to communicate, to improve, to listen.
How do you...... your free time.
I enjoy..... at home. I like ..... phone calls and ...... to music.
How do you want.....?
I prefer ...... by skype. I think it is fastest way.
How do you want..... your English.
In my opinion I have to study well.