Is there a certain cure ___ lung cancer yet?
— I'm wondering why the visitors chose to stay with the host family.— _____real local life.
How long do you think it will be _____ we can find a new water source?
High up in the mountains _____ a quiet small village, with only 20 households.
A heavy snow promises a good harvest, _____ is often the case.
After his wife died, he kept himself _____ from other people and the outside world,