[ Should, Should not have ]
I ___________ _______________ more politely. (act)
A. shouldn’t have acted
B. should has act
C. acting
D. should have acted

Random Topics:
Verb Tenses and UsageConditionals and Modals of ProbabilityPresent Simple for Future ArrangementPrepositions and ArticlesPronouns, Sentence Structure, and ApostrophesPast Continuous TenseTravel VocabularyConjunctions and PronounsHomophonesTenses of Verbs - UsageOther quiz:
Homonyms › ViewI need to put some ___ in my bicycle tire.
a. air
b. heir
Grammar › View
Identify the participial phrase.
The scouts roasting marshmallows around the fire told ghost stories to pass the time.
A. roasting marshmallows
B. roasting marshmallows around the fire
C. told ghost stories to pass the time
Homonyms › ViewThe ___ is very clean in the country.
a. air
b. heir
Grammar › View
He denied _____ at the crime scene. (be)
A. to be
B. to have been
C. having been
D. having
