—A ruler is 2 dollars and a pen is 3 dollars. How much are they? —They are ________.
--- ____________ you seen the 3-D film Titanic yet? --- Yes. I __________it a few days ago.
---How hard you are working! ---We are trying our best to reach our _________.
---Listen! What terrible noise! It_________ a ghost crying. --- yes .It really sounds_________.
---Jim is coming by _______ plane tomorrow. ---Let’s go to ________ airport to meet her.
Finally, we went home together.