[ Perfect and Past Tenses ]
By the time they reach the summit, they (climb) __________ for six hours.
A. will have been climbing
B. climbed
C. are climbing

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Conjunctions & Cohesive DevicesSimple Present Continuous TensePresent Perfect Negative and InterrogativeGrammar - Present PerfectCoordinating & Subordinating ConjunctionsGrammar Past and Future TenseHelpful Phrases Sentences and Non SentencesNumbersPoetryOther quiz:
Grammar › ViewWhat is the COMPOUND PREDICATE in the following sentence?
Were they eating pizza and drinking soda for breakfast?
A. There isn’t one
B. were, they
C. eating and drinking
D. eating, drinking
Relative & Interrogative Pronouns › View
_________ kind of job are you looking for?
A. Who
B. What
C. How
D. Where