[ Tenses ]
Which sentence is in the past perfect tense?
A. She will finish her homework by 5 PM.
B. They had already left when we arrived.
C. I have finished my lunch.
D. We finish our homework tomorrow.

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Synonyms and VocabularyVerb Tenses (Progressive, Perfect)Indefinite PronounsConditionals and WishesGrammar Double Object VerbsSentence StructureLet & Be allowed toConjunctions, Interjections and DeterminersGrammar and Essayand, so, but, becauseOther quiz:
Grammar › View___ what he says.
A. Hear to
B. Listen
C. Hear
D. Listen to
Grammar › View
Neither his father nor his mother ____ mahjong.
A. play
B. plays
Modals of Obligation & Prohibition › ViewThe teacher said we _____ do the homework if we don’t have time.
A. mustn’t
B. don’t have to
Adverbial Clause › View
I won’t be able to help you _____ you ask me nicely.
A. if
B. when
C. unless
D. because
