—What kind of movies do you like?—I like comedies, ______ I don’t like documentaries.

______ we deal with our problems, we can easily become unhappy. 

I thought the actor was famous, _________ none of my friends has ever heard of him.

My father didn’t go to bed ______ he washed his car last night.

Mr. Brown is 70 this year. Although he is very old, ____ he works very hard.