[ Passive Voice and Relative Clauses ]
Choose option A, B, C or D which is incorrect:
The floor haven’t been cleaned yet so it is so dirty.
A. haven’t
B. cleaned
C. is
D. dirty

Random Topics:
Gerunds, Infinitives and ParticiplesTenses and VerbsLinking VerbGerundsIn/On/At + TimeInfinitive Gerund1st and 2nd ConditionalsModal Verbs of ObligationPreposition (at,in,on)Tenses and OpinionsOther quiz:
Homophones › ViewHave you been ______ before?
A. There
B. Their
Grammar › View
Alex grew up beside the sea. He __ swim when he was four.
A. could
B. may
C. might
Tenses › ViewI eat lunch ______ school every day.
A. once
B. now
C. twice
D. at
Grammar › View
Which verb tense is used to discuss actions or events that will happen in the future?
A. Simple Past Tense
B. Simple Future Tense
C. Simple Present Tense
D. Present Continuous Tense
