Topics: Present Perfect Simple & Present Perfect Continuous
He has been collecting fossils ___ he was a student.
A. for
B. ago
C. since
Select your answer:

Random Topics:
Prepositions of Time and PlaceGrammar - First ConditionalTOEIC GrammarIntermediateRelative Clauses beginning with PrepositionsThings in EnglishAuxiliary ModalReflexive pronounsModal SpeculationTime Clauses of FutureOther quiz:
Tenses › ViewI ___ my homework before dinner last night.
A. did
B. have done
C. will have done
D. do
Idioms › View
Don’t be such a weak and inept person.
a. wimp
b. wretch
c. witch
