jié jū
ān wèi
jīng zhàn
kuì zèng
____
yōng jǐ
xǐ yuè
fán nǎo
马克思主义诞生的标志是( )
They aren't _______ at that age.
线段AB=10cm,BC=5cm,A、B、C三点在同一条直线上,则AC=____