Scientists study climate changes,
A. Aren’t they?
B. Do they?
C. Don’t they?

Random Topics:
Indefinite and Intensive NounVerb PhrasesPunctuationVocabulary : Coming & GoingMixed ConditionalVerb AgreementPossessive Nouns with Apostrophes and PronounsCompliment, Congratulation, and HopeAdverbial ClausesVerb, Object, PrepositionOther quiz:
Present Tenses › ViewIdentify the present perfect continuous tense in this sentence: ‘They have been studying for hours.’
A. studying for hours
B. have been study
C. have been studying
D. have studied
Past Tenses › View
Many people (move) to the new place before the storm occurred.
A. move
B. had moved
C. moved
D. have moved
Tenses › View. Apply future perfect tense: By the end of this month, they (to finish) the project.
A. By the end of this month, they will finish the project.
B. By the end of this month, they have finished the project.
C. By the end of this month, they finished the project.
D. By the end of this month, they will have finished the project.
Gerunds & Infinitives + Vocabulary › View
This music is too ……………. . I can’t hear anything.
A. soft
B. shiny
C. rotten
