.Most business letters and government reports are the main situations _________ formal language is used. ^*

Do I have to sell my old computer It almost stops working. — You ________ do so, it only needs ________. Something has gone wrong with it.

__________there are only 20 minutes left before the train left，I felt uneasy in the taxi to the railway station.

sor Lee arrived in Paris in 2009, ______, sometime later, he was employed by a famous computer company

The soldiers found that only a few people remained________in the earthquake.