---Wow! These inventions are amazing．
—They were all invented _______years ago.
A．hundred B．hundreds C．hundred of D．hundreds of
---Mary is a careful girl．
---Yes. She always goes over her exercises to there are no mistakes．
A．look for B．make sure C．find out D．think about
---Would you like to go to a movie with me?
----I’d like to__________ you don’t want to go alone．
A. until B before C. after D．if
—Why is Maria so nervous? Because she doesn't know ________at the big party．
A．to wear what B．to wear how C．what to wear D．how to wear
—John is a hardworking student．
---You’re fight．He play computer games，but he doesn’t do it now．
A．always B．has never C．used to D．seems to
---Please say“I’m here．”when your name _________.
---Yes，Mr Smith．
A．be called B．is called C．is calling D．calls
