"I understand a little about auto mechanics but the speech from the mechanic about the problem with my fuel-injection system went over my .....," Larry told his wife when she asked if he understood what the problem was.

English as a Second Language Single question discussions
1

"I understand a little about auto mechanics but the speech from the mechanic about the problem with my fuel-injection system went over my .....," Larry told his wife when she asked if he understood what the problem was. (*) ability (*) skill set (*) head (*) moon

This is a companion discussion topic for the original entry at https://english.best/questions/14651,i-understand-a-little-about-auto-mechanics-but-the-speech-from-the-mechanic-about-the-problem-with-my-fuel-injection-system-went-over-my-___-larry-told-his-wife-when-she-asked-if-he-understood-what-the-problem-was/