[ 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
Select your answer:
Random Topics:
Adjectives (-ed / -ing)Wish + Verb 2Tenses and ComparisonsIntermediate GrammarIntermediate PrepositionsCompound AdjectivesQuantifiers: too many, too much & enoughCohesive DevicesGrammar - Compound SentencesOther quiz:
Definite and Zero Article › ViewBefore they arrived at _ New York, they used to live in _ Africa.
A. The, –
B. -, the
C. The, the
D. -,-
Grammar › View
What is the adverb in the sentence?
Peter neatly wrote a shopping list.
A. neatly
B. wrote
C. shopping
D. list