Idid not laugh at the "mishap" when actress tripped on the stage.

what does mishap mean?

a: antic
b: accident
c: decision
d: trick

when you see the arrow, it will "indicate" that you should turn left.

what does indicate mean?

a: lead the wrong way
b: lead astray
c: show the direction
d: move incorrectly

the basic part of a word that is also the source of its essential meaning is called

a: prefix
b: subject
c: suffix
d: root