Kitty found _________ interesting _____________ the difference between the twins.

Kate doesn’t watch TV _____ weekdays. She watches TV only _____ Sunday evening. [ ]

Do you have _____ trouble finishing the work?—The work is not so difficult as you think． We have finished it already．

I’ve been coughing like this for several days. –I’m sorry _you’re not well.

May I speak to Mr. Smith? —Sorry, he . Can I take a message?