[ Continuous and Perfect Tenses ]
They__________________ over 40 kilometers and still there was no sign of the oasis.
A. are walking
B. had been walking
C. have been walking
Random Topics:
Present Simple or Present ContinuousArgumentative VocabularySimple and Continuous Present TenseCoordinate ConjunctionRelative Clauses and etcFuture Continuous, Future Perfect and Future Perfect ContinuousMixed TensesGerundSentences vs Run-OnsDefinite and Indefinite ArticlesOther quiz:
Word Form & Verb Tense › ViewEco Infrastructure Network’s main function is to deal with urban _____ problems to make Superstar City greener, cleaner and more sustainable
A. environmentally
B. environment
C. environmental
D. environ
Modal Verbs › View
We ______ protect the environment if we continue treating the earth this way.
A. are permitted to
B. are not allowed to
C. are unlikely to
D. are required to
Grammar › ViewMy son is now the same___________as me. (high)
A. heigh
B. higher
C. high
Present Perfect - Just, Already, Yet › View
I ____________ (mop) the floor so don’t go running around. You might slip.
A. have just mopped
B. haven’t mopped yet
C. have already mopped