Unless vs if (Conditional I)

We won't go on holiday _____we can take our dog with us.

______ we don't buy it now, we'll have to get it later.

____you go to bed late, you'll be tired in the morning.

I can't finish my homework, _______ you help me.

We'll have a picnic on Saturday _____ the weather is bad.

You'll catch a cold _____you wear a coat.

I'll open a window, _____I get too hot.

____ you come to see me tomorrow, I'll be very glad.

We won't leave the house, ____ we find the key.

____ you leave the cake in the oven for too long, it will burn.

What will you do ___ you don't catch the bus?

I'll make Sam a cup of hot tea _____he's cold.