John (study) ………………………………………… for an exam now. He (begin) ………………………………………… five hours ago. He (already, read) ………………………………………… three books.
A. is studying; has begun; has already read
B. are studying; began; have already read
C. is studying; began; has already read

Random Topics:
Perfect Progressive TensesTypes of Sentence StructuresHave vs. HasVerb Tenses and Sentence StructureGrammar - must & have toInterrogative PronounsGerund, Participle, Infinitive, or AppositiveQuantifiers: too many, too much & enoughTime ConjunctionsKinds of NounsOther quiz:
Grammar and Vocabulary › ViewIdentify the part of speech for ‘quickly’ in the sentence: ‘He ran quickly to catch the bus.’
A. adverb
B. verb
C. noun
D. adjective
Grammar › View
Ali and Abu _______ their orchard to Ahmad one year ago.
A sell
B sells
C sold
D will sell
Mixed General Quiz › ViewThe city of Pittsburgh is best known for ___ steel.
a. is making
b. making
c. did make
Grammar: Syntax › View
Lexical items that rely on context to convey meaning. For example, in the sentence ‘You know he did it again,’ context is required to be able to understand both who ‘he’ is and what he has done.
A. modification
B. deixis
C. imperative
D. modals
