[ Grammar ]
Listen! The birds ___ outside our window.
A. are singing
B. sing
C. sang

Random Topics:
Simple and Continuous TensesThe Present Progressive TenseModal AuxiliariesPast Simple & Past PerfectNouns, Pronouns, Antecedents, and Singular and PluralClauseDefinite and Indefinite ArticlesCity PlacesPerfect TenseSimple present/ past/ future tenseOther quiz:
Tenses › ViewJim couldn’t answer the teacher’s easy question yesterday because he__ to her for whole lesson.
A. is not listening
B. has not listened
C. has not been listening
D. does not listen
E. had not been listening
Grammar › View
Select the correct subject pronoun: “__ participated in the science fair last year.”
A. Us
B. We
C. Them
D. They
Present Tenses › ViewMesa……………(already/write) a letter
A. have already written
B. already writes
C. has already writen
D. has already written
Modal Verbs › View
Although nobody can prevent you from spending your own money, you ___ save for a rainy day.
A. would better
B. better
C. had better
D. would rather
