.The teacher , with 6 gilrs and 8 boys of her class ,________visiting a museum when the earthquake struck.
---Have the arrangements for the concert next Saturday been all _______? ---Not yet. We haven’t found a free hand.
___________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.