--Did you call Fred back?
--I didn't need to,    I'll see him tomorrow.

---How do you like the dress?
---It’s beautiful, and it fits me well. _______ I like it very much.

I will never forget the song ______ he sang last night.

You will fall behind the others ______ you start to work hard.

I don’t like physics ______ it’s too difficult for me.

- Who helped you fix your bike?
-_______! I fixed it all by myself.

— I think it’s going to be a problem.
— Yes. I wonder _____ we can work it out.

____ he is very old, he is quite strong.

There will be a stamp shown in the museum ______ we visited last week.

I really enjoyed your lecture, ______ there were some parts I didn’t quite understand.