When he was young, his parents died and he had to _____ himself.
Guilin is a city _______ has a history of more than 2,000 years.
One million people of the city, ______ thought little of the event, were asleep as usual that night.
The girl ________ I met in the street yesterday is Mary
----- How long ________ in Guilin? ----- For two weeks. I’m going to some places of interest there.
We ________ go out when it rained.