Let’s go and listen to Mr Smith’s speech on Western culture, shall we—_______ .It’s getting to the end.

______ everyone is here, let’s go for work!

If you compare British English American English, you’ll find difference.

________achievement, China was a great success in launching Chang’eⅡ.[ ]

Before joining the Department of Defense, MrPanetta _______ as director of the CIA from February 2009 to June 2011