Trees can prevent the wind _____ the earth away.

Do you know the boy ________ is sitting next to Jim? Yes. He is Jim’s friend. They are celebrating his ________ birthday.

一Are you going to Guilin by plane?一It’s fast but expensive, so I’m not sure．I ________ take a train．

My car alarm is always______ whenever my neighbor’s cat goes under my car.

The Wenchuan earthquake happened _____ 2:28 o’clock _____ the afternoon of May 12. [ ]