My mom (come back) We (clean)
A. We had cleaned the house before my mom came back.
B. We have cleaned the house before my mom comes back.
C. We had cleaned the house before my mom come back.
D. We had cleaned the house, my mom came back.

Random Topics:
Verbs and Possessive AdjectivePrepositions and Phrasal VerbsFuture Tenses, Conditionals and ProfessionsPassive Voice - Past SimpleGrammar - Present and Past PassivePassive Modals, Impersonal PassivePassive Voice with Modal VerbsFuture Tense VerbNouns, Pronouns, Antecedents, and Singular and PluralGrammar & ReadingOther quiz:
Adverbs › ViewIdentify the adverb(s) in this sentence:Pete is anxiously waiting for his birthday.
A. anxiously
B. waiting
C. his
D. Pete
Vocabulary › View
What is the ‘observation’ point on the mountain?
A. The ________ point on the mountain offers a great view of the forest.
B. The day before tomorrow
C. The highest part
D. He gave her a ______ gift.
Present Simple & Present Continuous › ViewThey are playing video games.
A. Present Simple
B. Present Continuous
Common Grammar Mistakes and Spelling Tips › View
To signify a word within a sentence or state the title of a work, we use
A. double hyphens
B. quotation marks
C. parentheses
D. hyphens
