Which perfect tense is being used?
We will have walked for 2 hours by the time we get back to camp.
A. past perfect
B. present perfect
C. future perfect

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Nouns, Pronouns, Antecedents, and Singular and PluralApostrophes and Quotation MarksAdverb & Compound SentencesGerund vs InfinitiveConjunctions, Prepositions and InterjectionsAdverbs (manners & modifiers)Language Features: Reflective ArticleConstrative ConjunctionPresent Simple Affirmative and NegativeModal SpeculationOther quiz:
Mixed General Quiz › ViewMaria _______ an appointment with the specialist before two o´clock.
A. had made
B. has maked
C. have made
D. had maked
Gerund vs. Infinitive › View
Identify the gerund phrase in the following sentence: Ruth listened to the pleasant strumming of the Spanish guitar.
A. Ruth listened
B. Of the Spanish guitar
C. To the pleasant strumming of the Spanish guitar
D. To the
Choose the correct tense for this sentence:
I am working in a call center
___
A. Present simple
B. Present continuous
C. Present perfect
D. Present perfect continuous
Vocabulary and Grammar › View
The astronaut approached the tiny creature _ because they did not know if it was dangerous or friendly.
A. boldly
B. quickly
C. cautiously
D. courageously
