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In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling.

We know _____America is great not because it is perfect but because it can always be made better and _____ the unfinished work of perfecting the union falls to each of its citizens.

_____ the majority of people you will meet when travelling are sure to be friendly, there are dangers-theft being the most common.

--- This is the same watch ______ I left on the playground yesterday.  
--- How can it be possible? I bought _____ the other day.

They are talking _____ they had been friends for years, while in fact they have known each other for only two hours.

I asked my boss for a month’s holiday and, _____, she agreed.

______the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

The family were holidaying in the country _______ the rain poured down.

Adam behaved _________ he had never heard such a thing before.