[ Grammar ]
Is that ______ old book?
A. A
B. AN

Random Topics:
Adverbs and Adverbial PhrasesCoordinating and Subordinating ConjunctionsModals: Possibility, Necessity, ExpectationConjunctions and Sequence ConnectorsPast Perfect Simple & ContinuousSo, Such, Many, MuchPrepositionanother/the others/each other/one anotherWho vs WhomSimple Past Irregular & NegativeOther quiz:
Articles and Pronouns › ViewWhich sentence correctly uses the articles ‘a’ and ‘an’?
A. An letter is addressed to a author.
B. A author is writing an book about elephants.
C. We can look for a book about an elephant.
Tenses › View
They _____ (finish) the exercises.
A. Don’t finish
B. Haven’t finished
C. Haven’t finish
D. Hasn’t finished
First Conditional › ViewIf you … your umbrella, it …
A. take, will rain
B. will take, won’t rain
C. take, rains
D. take, won’t rain
Grammar › View
Choose the correct sentence
A. I’m not as optimistic as my sister
B. I’m not optimistic as my sister.
