[ Subject-Verb Agreement ]
Not only the students, but also the teacher (has, have) been unhappy.
A. Has
B. Have

Random Topics:
Simple Past - Irregular VerbsCommon Grammar Mistakes and Spelling TipsCorrelative conjunctionsGrammar and PrepositionGrammar - ConnectorsPresent Forms and Narrative TensesVerb Tenses and UsageModals - Have to or ShouldPreposition (at,in,on)Wish SentencesOther quiz:
Grammar › View… the concert fun?
A. Was
B. Were
Verbs and Prepositions › View
Which preposition correctly completes the sentence: “I apologize _ my mistake.”
A. for
B. at
C. on
D. about
Grammar › ViewI have art class on Monday and Tuesday. I have to do art work __________ a week.
A. once
B. twice
C. every day
D. three times
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Professor Brown’s presentation was very easy to follow. As a result, only ……………students had questions at the end.
A. a few
B. a little
