[ Subject-Verb Agreement ]
About fifty percent of the students in our class ______ from poor families.
A. Is
B. Are

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So Such Enough TooGrammar - FragmentsRelative PronounsGrammar : Must (Necessity)Gerund, Infinitive & ModalsAdverbs and PhrasesPreposition FormGrammar (Possessive Pronouns)Articles and PronounsPhrase vs ClauseOther quiz:
Grammar › ViewMary _____ her black skirt now.
A. irons
B. is ironing
C. ironed
Phrasal Verb › View
The competition is tomorrow. Everyone is counting on you. You can’t _______________ now!
A. back down
B. back out
C. back away
D. back up
Grammar › ViewThe referee _____ when the player kicked the goalkeeper
A. wasn’t looking
B. hadn’t look
C. used to look
Vocabulary › View
unaware of; unconcerned; inattentive
A. spontaneous
B. dogged
C. keen
D. oblivious
