The weather is too cold ____ March this year—It was still ____when I came here years ago

Who do you live_______ now

It’s said that of the water around the world ________ polluted.

Is Jim at school today? — No, he’s at home ______ he has a bad cold

If you prefer the red evening dress, you’ll have to pay ________ 30 dollars, because it’s made of silk.— Ok. Here you are.