Here are some ways to connect two ideas when you want to say that they are opposite to each other.
I like fruit but I don't like meat.
I like fruit. I don't like fruit drinks, though.
Although Einstein was a very clever man, he never passed any university exams.
Living in the country is quiet and peaceful. However, it can also be very boring.
Television has great educational possibilities. On the other hand, it can sometimes make people lazy.
Although goes before the two ideas in one sentence.
However and on the other hand go between the two ideas.
Which do you want? The green one or the red one?
At my school, we learn either English or Spanish.
What would you rather do? Stay in or go out?
I'd rather stay in.
What do you want to do? It's a beautiful day so we could go out for a walk. On the other hand, we could stay in and watch sports on TV.
Would you like any tea or coffee?
I want you to answer yes or no.
Would you like tea or coffee?
Answer tea or coffee.