[ Grammar ]
Since 1965, the maple tree with red leaves ________ the most well-known Canadian symbol
A. has become
B. became
C. become
D. becoming

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Question WordsThe Present Progressive TenseRelative PronounsTenses PracticeContrast Linking WordsPresent Tenses: Simple vs ContinuousPassive Voice and ModalsPronouns ( Interrogative )Sentence Structure and ConjunctionsPast Simple, Present Perfect TenseOther quiz:
Grammar › ViewA _______ paired with a ______________ ___________ will correct a run-on sentence.
A. Comma, coordinating conjunction
B. Period, coordinating conjunction
C. Period, coordinating conjunction
D. Semicolon, coordinating conjunction
Modal Verbs › View
You … to answer some questions when you go through immigration.
A. must
B. have to
C. both are correct
Vocabulary and Idioms › ViewPatients at highest ______ of complications can be detected based on artificial intelligence techniques.
A. danger
B. risk
C. chance
D. threat
Simple and Compound Sentences › View
She will leave soon and she still has to pack her things.
A. Simple Sentence
B. Compound Sentence
