[ Present Perfect Simple & Present Perfect Continuous ]
Nobody is here. They have ___ to find new species in the rainforest.
A. gone
B. been
C. going

Random Topics:
Coherent Sentence with Correct Grammar StructurePresent Progressive (Future)Preposition and AdjectivePresent Perfect and Past Simple-ing &-ed AdjectivesGrammar and PrepositionModals for ObligationVerb PhrasesConjunctionsFigure of SpeechOther quiz:
Present Perfect Continuous Tense › ViewMy brother … about buying a used car from the dealer. Do you think it’s a good idea?
A. have been thinking
B. has been thinking
Tenses › View
Complete the sentence: How long __________ (you/wait) here?
A. had you been waiting
B. have you been waiting
Grammar › ViewIdentify all the the adjectives the sentence. There are two.
Aliyah wore a warm, long coat to recess.
A. Aliyah, wore
B. warm, coat
C. warm, recess
D. warm, long
Modal Verbs › View
You ___ study hard if you want to pass the exam.
A. can
B. must
C. might
D. could
