Xi’an is really a fascinating city and we’ve decided to stay for two weeks.
___________in the mountain for a week, the students were finally saved by the local police .
There are some health problems that, when ____ in time, can become bigger ones later on.
It’s only when he reached the tea-house that _____it was the same place he’d been in last year.
---He’s made _________progress that his parents must be pleased with him. --- __________________. And he also takes great pride in himself.
_________ the necessary equipment, the seriously wounded man had to be sent to another hospital for the operation.