IF YOU ... THE INSTRUCTION, READ THEM AGAIN.A. DON'T UNDERSTANDB....
251. If you ... the instruction, read them again.
a. don't understand
b. didn't understand
c. hadn't understood
d. wouldn't understand
-->a
251. If you ... the instruction, read them again.
a. don't understand
b. didn't understand
c. hadn't understood
d. wouldn't understand
-->a