Three fourths of the people in the country _____ farmers. But three fourths of the land ____ polluted.

I don’t like the green pen. Would you please __________ me another one—Here you are.

–Whsomething serious butinteresting.

The last time we had a family reunion was ________ my brother’s wedding ceremony four years ago

the front door ___ ,he had to enter the room through the back door