[ Grammar ]
Tom ………. his room.
A. hasn’t clean
B. hasn’t cleaned

Random Topics:
Verb PatternsVerbs and PrepositionsCommon ErrorSuperlativesPrepotitionsDirect-Indirect SpeechAdverbs of frequencyOffering HelpPossessive Nouns with Apostrophes and PronounsActive Voice-Present tenseOther quiz:
Grammar › ViewWhen you take part in an eco tour, you learn more about the cultural traditions of the local people and the natural habitat of some rare animals.
A. participate
B. conduct
C. enjoy
D. depart
Continuous Tenses › View
What is the correct structure for forming a past continuous tense?
A. Subject + am/is/are + verb(-ing)
B. Subject + was/were + verb(-ing)
C. Subject + will be + verb(-ing)
D. Subject + verb + -ed
Grammar › View Will they finish the test on time?
A. adjective
B. verb
C. noun
D. pronoun
E. adverb
Active and Passive Gerunds and Infinitives › View
The client appreciated _____ notified about the policy changes in advance.
A. being
B. to be
C. informing
