[ Irregular Verb ]
Nanita has ______ how to convert from active to passive since before she could walk.
A. known
B. knew
C. knowen
D. knowed

Random Topics:
Preposition and Preposition PhraseTenses and VerbsGrammar - Compound SentencesThe Past SimpleSo or SuchPrepositions and ConjunctionsComperative and SuperlativeConditional Sentence 0, 1used to vs be used to vs get used toGrammar and EssayOther quiz:
Grammar › ViewWhich sentence uses the word “accurate” correctly?
A. If you want to be accurate at math, it helps to check your answers.
B. My math teacher says showing our work is as important as its accurate.
C. I am not sure if this answer is correct; can you accurate it for me?
D. Mrs. Smith is making us do some accurate problems for homework tonight.
Vocabulary › View
What does the word examined mean?
A. spoke quietly
B. balanced evenly
C. looked at closely
D. turned loosely
Simple and Continuous Present Tense › ViewPeter usually ……………………. when he do his homework.
A. is concentrate
B. concentrating
C. concentrates
D. concentrate
Verb Tenses › View
I have not seen Tom … then.
A. since
B. for
