I always have so many things to ________ when I comeinto the office after a trip abroad.

Whose room is bigger, Li Pin’s or ______—His room. But my room is nicer!

_____is our belief that improvements in health care will lead to a stronger , more prosperous economy.

Is this model plane________,Tom —-Yes,it is______.I made it by______.

对下列句子中加点词语的解释，不正确的一项是（ ）