Fill in the blank with the correct tense: By the end of the day, they _______ the entire house.
A. will clean the entire house
B. cleaned the entire house
C. clean the entire house
D. will have cleaned

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Prepositions - ConjunctionsSingular and Plural NounsPerfect and Past TensesPast PerfectExpressing Obligation and ModalsFirst ConditionalGender and GrammarComparisonsAdverb of TimeWestern Europe CountriesOther quiz:
Grammar › ViewIn the 1998 Nagano Olympics there ___ over 3000 competitors taking part.
a. is
b. was
c. were
Grammar and Vocabulary › View
Thomas Edison made over one thousand attempts before he successfully created his first light bulb. It seemed that the ________he worked the ________ the chances of success would be.
A. hardest / lower
B. harder / lowest
C. most hard / lower
D. hardest / lowest
E. harder / lower
Grammar › View_____________a great singer was he that he won the talent competition.
A. Since
B. Such
C. So
D. As such
Vocabulary › View
Mr. Jones bought his wife a new wallet to go with her ____________ as a Valentine’s Day gift.
A. jersey
B. purse
C. skirt
D. sandals
