[ Relative Pronouns ]
Choose the correct relative pronoun: The book ___ I borrowed from the library is very interesting.
A. where
B. who
C. that
D. whom

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Interjection & Prepositional PhrasesHomophone & HomonymPassive Modals in Different TensesComperative and SuperlativeArticles and QuantifiersAdjectives with -ED and -INGEssential and Nonessential ClausesTenses UsagePronouns and AdverbsPresent Perfect vs Past SimpleOther quiz:
Vocabulary › Viewgreat and often wild or uncontrolled activity
A. Caustic
B. Sagacity
C. Frenzy
D. Vague
Modals › View
. He ___________ finished his work before the deadline. It was his responsibility.
A. Should have
B. Should has
C. Should had
D. Should have had
E. Should have has
Grammar › ViewCyclists and motorists have to wear a _______ when they ride a motorbike.
A. hard hat
B. cap
C. mask
D. helmet
Grammar and Idioms › View
Complete the sentence with the correct verb form: Had he ___ more effort, he would have succeeded.
A. put
B. puts
C. putting
D. putted
