[ Present Simple Passive ]
My siblings clean the house once a week.
A. The house is clean by them once a week.
B. The house is cleans by them once a week.
C. The house is cleaned by them once a week.
D. The house was cleaned by them.

Random Topics:
Future Tense (will/be going to/p.continuous)Subordinating Conjunctions and ClausesWould rather/ would prefer/ would likePassive Voice - Present TensesPassive SentenceSecond and Third ConditionalGrammar of Conjunctions and PrepotitionsPossessive Adjectives and Possessive PronounsFirst ConditionalHas Got & Have GotOther quiz:
Vocabulary › ViewI want to remember this vacation, so I’m going to _________ from the local market.
A. take a taxi
B. take a guided tour
C. stay at a hotel
D. buy a souvenir
Conjunctions in Complex Sentences › View
Which FANBOYS would best join the two sentences together?
The students wanted to go out to recess. The teacher said they had too much work.
A. , and
B. , but
C. , or
D. , for
Prepositions › ViewTheir ideas differ ___ each other.
A. in
B. from
C. with
D. to
E. on
Tenses › View
Lucy ______ her graduation ceremony this time next year.
A. will be attending
B. has attended
C. attended
D. is attending
