9900 - Part D (Page 163) Test:7 - The guest, ________ , apologized to the host for his attitude.

The guest, ________ , apologized to the host for his attitude.
realized his mistake.
his mistake is realized
he realized his mistake
realizing his mistake
Elementary Grammar Exercises A1
Table of English Grammar Contents (All Levels)
English Modals Tests
Upper-Intermediate Grammar Exercises