[ Grammar ]
My children __________ English online for two weeks.
A. has been studying
B. have been studying
C. are studying
D. studied

Random Topics:
Comparison of Adjectives and AdverbsSubject and Verbs AgreementReported Speech and TensesApostrophe GrammarFuture Tenses and ModalsModal ProbabilityHave to/Has toPrepositions of Time and PlaceEd and Ing EndingsComparison Degree & GerundsOther quiz:
Who am I? › ViewI stop crime and keep the community safe. Who am I?
A. fire fighter
B. police officer
C. mail carrier
D. mayor
Grammar › View
Which plural noun is incorrect?
A. Deer
B. Sheep
C. Wolves
D. Leafs
Grammar › ViewAfter seeing the success of her former colleagues, she wishes she _______ more risks in her career.
A. had taken
B. took
C. takes
D. was taking
Irregular Verb › View
Check the correct form of the irregular verb.
GET
A. Infinitive
B. Simple past
C. Past participle