---Emily, here's a dictionary.I hope it will help you.
---Thank you.It's ________ what I need.
--________ to have dinner with me and my wife next week?
--Yes, I’d like to. Thank you.
---Has he got a sister?
---______.
---What's the time, please?
---______ six o'clock.
---I'm very thirsty; Lucy, is there ______ water in the bottle, please?
---Sorry, there isn't ______.
---______ to the United States?
---No, never, but I went to Canada a few years ago.
---“______I finish the homework now, Mrs Zhao?”
---“No, you ______.You may finish it tomorrow.”