It was very lucky to see the "Monster of Lake Tianchi", ______ we didn't see it clearly.
The audience was __________ very young children.
Pressure applied __________ the wound will stop the bleeding.
—Where was it __________ the road accident happened yesterday?—In front of the market.
It was on National Day __________ I visited Shanghai Expo.
Was it in the village __________ he was born __________ the talented journalist met the retired professor?