Question

the children are full of ___.they have been playing all day long without resting

A.force B.power C.energy D.strength

Answer 1

答案a
词义辨析,
energy主要指精力，能量。strength主要指力量，强度。power主要指动力，功率，电力。force主要指外力。根据题意这里指孩子们充满精力，故选a。

Answer 2

the
children
are
full
of
_energy__.they
have
been
playing
all
day
long
without
resting
填energy
孩子们精力充沛，从早玩到晚都不休息。