Have they found the lost flight MH370?—Not yet. I’m really ______ the people on the plane.

People ____ any flowers until May.

All the Americans are preparing ________ Christmas.[ ]

My aunt is a writer. She ______ more than ten books since 1980.

A low-carbon（低碳）lifestyle has an effectour daily life. More and more attention has been paid toenergies these days.