Fill in the Blanks CompleteOnline version In this exercise you can practice the correct use of verbs. Read the sentences and complete with the correct verbs of the verbs that are in parentheses. by Diana Luna 1 working ready his has has through without Serena and Juan walk the terminal in Logan airport in Boston saying a word to each other . Juan checked in suitcases and one carry on with him . He is getting to board a flight to California for a short term project he is on .