Whatever you do, ________ is difficult if you put your heart into it.

_________ does it take you to drive to Changgong to work every day?—About one hour and a half. [ ]

Let’s __________ the quiet and beautiful park.

Mt Everest (珠穆朗玛峰) is 8, 844. 43 meters ______ sea level. [ ]

Jeremy Lin __________ an unknown basketball player in New York Knicks for quite a long time.