— What’s your plan for this weekend? — We will go for a picnic by the river _______ it rains.

Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.

A snake bit him ___________ he went to see a doctor at once.

Go to the Olympic Center by underground instead, ______ you’ll be late for the match.

 She promised to come and help us, and _______________.