Question

Choose the correct word.
1 Climate change will continue if / unless we do something.
2 If / Unless global warming gets worse, the ice caps will melt.
3 When / Until the ice caps melt, the sea level will rise.
4 When / Until we decrease carbon emissions, pollution will increase.
5 As soon as / Until we take action, things will change.
6 If / Unless we do something now, it’ll be too late.

Answer 1

1.if
2.if
3.when
4.until
5.as soon as
6.if

Answer 2

1.Unless
2.If
3.When
4.Until
5.As soon as
6.Unless