About ______ of the surface of the earth is covered with water.

Whenwereturnedfromourholidays, wefoundeverything ____What____whilewehadbeenaway?[ ]

Is Jim in the office —No, he ________ the dinning hall.

How ______ you, Jack —I’m fine. And you A.areB.isC. amD. be

Everyone knows ______ Olympic Games will be held inLondon in July, 2012.