The changes of the plants and animals in an area ________ from differences in climate and the nature of the country

t ____ mysister to marry Henry, but my sister married Frank at last.

______ I always felt I would pass the exam, I never thought I would get an A.

Jerry, I haven’t heard from Carl for a long time. Can you tell me ______ he is recently —He is busy with his driving test. You may communicate with him on the phone.

From facts, scientists have_______ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.