[ Present Tenses ]
We have to rest. We ………………………………… (walk) for over four hours.
A. have walked
B. are walking
C. have been walking
D. walk

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Modals and Modal PerfectsConditional TensesPast and Past ContinuousAdjective OrderShould and Shouldn'tTensesModals and VocabularyFragment, Comma Splice and Run -on SentencePresent Simple Tense PassivePresent Simple QuestionsOther quiz:
Vocabulary › ViewMy father stopped working last year and is now enjoying a long vacation. After 30 years of employment, he ________________.
A. Got promoted
B. Got divorced
C. Retired
D. Pensioner
E. Got fired
Compound Sentences › View
In a compound sentence, the comma comes ______________ the coordinating conjunction.
A. after
B. before
C. there is no comma