[ Present Tenses ]
For decades, economists ___ about the benefits and risks of globalization.
A. have debated
B. are debating
C. have been debating

Random Topics:
Subordinating ConjunctionsPrepositionAdjectives, Adverbs, and PrepositionsGrammar Pronoun and Singular Plural NounAdverb Clause ConnectorAuxiliary ModalHave to / Do not have toIdiomsAdjectiveFood VocabularyOther quiz:
Modal Verbs › ViewStudents _____ follow the guidelines for the research paper assignment.
A. can
B. will
C. must
D. shall
Past Perfect Simple › View
I missed the meeting because I _____ to set the alarm clock.
A. forgot
B. had forgotten
C. have forgotten
D. was forgetting
Grammar › ViewSelect the correct job for the description:
In this job you design pants, t-shirt with different types of cloth
A. web designer
B. Farmer
C. Fashion designer
D. Shop assistant
Adverbs › View
I seldom __________________ in the morning.
A. takes a bath
B. take a bath