[ Grammar ]
The zebras _____________ been at the zoo a long time.
A. are
B. has
C. were
D. have

Random Topics:
Have to/Has toPresent Tenses and ConnectorsIndependent/Dependent Clauses & Relative ClausesSimple Present and Past TensesPresent Perfect and Past TensesTypes of SentencesAdverbs and Adjectives-Ing and Infinitive Verb PatternsWish SentencePresent Tense vs Present ContinuousOther quiz:
Grammar › ViewA stone is ….. a feather
A. much heavier
B. more heavy
C. more heavyer
D. much heavier than
Gerunds and Infinitives › View
(Eat) ______ vegetables and (exercise)______ are excellent ways to stay healthy.
A. Eating/to exercise
B. To eat/to exercise
C. Eating/exercising
D. To eat/exercising
Grammar › ViewMany people want to choose what they eat …… .
A. ourselves
B. yourself
C. yourselves
D. itself
E. themselves
Prepositions › View
I was searching … the information online all night long.
A. for
B. from
C. with
D. by
