[ Grammar ]
Mastering verb forms and tenses _______ difficult for students.
A. is
B. are

Random Topics:
Past Tense vs Future TenseSentences and Non SentencesPronoun-Verb AgreementCompound and Complex SentencesCommas and Subordinating ConjunctionsComparatives ( adj/ adv)Figurative LanguageAntonymsAdverb PhrasesPast Tense & Present Perfect TenseOther quiz:
Present Continuous for Future › ViewMy father ________________to visit my grandparents tomorrow.
A. is going
B. are going
C. am going
D. are go
Grammar › View
Find the subject. Three energetic monkeys climbed up the tree.
A. three energetic monkeys
B. climbed up the tree
Grammar › ViewJoanne isn’t late for school, ___________ she?
A. is
B. are
C. isn’t
D. aren’t
Grammar and Vocabulary › View
Your cell phone is fantastic. Is it ________?
A. late
B. today’s
C. new