—It’s thirty years since we last met.—But I still remember the story, believe it or not, __________ we got lost on a rainy night.
The World Expo is like __________ great stage for cultural exchange, bringing people into closer contact with __________ rest of the world.
__________ without friends __________ the most difficult challenge for Chuck while living on the island.
The new plane will __________ a series of test flights before it is put into use.
In April, thousands of holidaymakers remained __________ abroad due to the volcanic ash cloud.
There are __________ students in the school. But I don't know __________ the girls among them.