（１）Alec is gentle and funny.
（２）Either you or she has to go there.
（３）She can speak not only English but also Chinese.
（４）My father speaks not English but Japanese at home.
（５）I lost my key, so I couldn’t enter my house.
（６）I think that he is very smart.
（７）You can take either soup or salad.
（８）I like both soup and salad.
（９）I called her, but she was out.
（10）I’m very sleepy today, for I stayed up late.