[ Verb to be ]
He ___ reading a book in the library.
A. is
B. am
C. are

Random Topics:
Gerunds + To InfinitiveGrammar (Adverbs, Prepositions, Prepositional Phrases)ModalsPast Simple (Questions)Modals for Necessity and SuggestionsModal AuxiliariesIndependent/Dependent Clauses & Relative ClausesConditional SentenceGrammar and Passive VoiceObject PronounsOther quiz:
Grammar › ViewYour wedding ring is very precious. You ______ lose it.
A. must
B. needn’t
C. mustn’t
D. could
Gerund and Infinitive › View
They didn’t stop _____ until 11.30 pm when there was a power cut.
A. singing and dancing
B. to sing and dance
C. to sing and dancing
D. Do singing and dance
Grammar › ViewThis novel ______________ (write) by Hemingway.
A. is written
B. is wrote
C. were written
D. was written
First Conditional › View
What is wrong with this sentence? “My uncle will buy a car if he have enough money.”
A. “will buy” must be “buy”
B. “have” must be “has”
C. “have” must be “will have”
D. “will buy” must be “buys”