[ Present Continuous ]
______ Marco ________(read) a book?
A. Are – read
B. Is – reading
C. Do – read

Random Topics:
Tenses and Passive VoiceIF CLAUSEGrammar Error Correction (Simple Present Tense)Modals Deduction: cant /mustTag QuestionRelative & ModalsClauses and ConjunctionsConditional SentencesModal AuxiliariesPast Simple and Past ContinuousOther quiz:
Modal Verb › ViewYou __________ stand up. There are a lot of seats available on the bus.
A. couldn’t
B. mustn’t
C. needn’t
D. might not
Sentences vs Run-Ons › View
Identify the run-on sentence.
A. She likes to read, and she visits the library often.
B. The dog barked, but no one was home.
C. I went to the park I saw my friend there.
D. He studied hard, so he got good grades.
Simple Past Tense › ViewMy mother _________ (put) the groceries on the table just now.
A. put
B. putted
Subject-Verb Agreement › View
Not only the students but also their instructor ________ been called to the principal’s office.
A. Have
B. Has
