The Olympic Games are held _____.
China successfully_____ Shenzhou V manned spacecraft into space in 2003.
The old photo reminded me of the happy hours_____ we spent together.
The door locks_____ when you leave the house, so you don’t have to remember to lock it.
Believe it or not, everything comes with_____ price; there is no such_____ thing as free lunch.
---Currently it is difficult to find a good job in the fierce job-hunting market.---_____.But highly-qualified graduates are always in great demand.