[ Perfect Tenses and Vocabulary ]
You look exhausted. What have you…………?
A. been doing
B. done
C. do

Random Topics:
Past Tense & Past Continuous TensePreposition (at,in,on)Adjective + to + VerbCorrelative conjunctionsConjunctions and PrepositionsAdverb Clauses of TimePresent Perfect vs Past SimpleVOCAB & GRAMMARGerunds and InfitinitivesWho vs WhomOther quiz:
Modals › ViewLocal businesses ____________ participate in the annual community clean-up event.
A. should
B. can’t
C. may
D. could
Grammar › View
I love this film. I — it four or five times already before I binged on another film.
A. saw
B. has seen
C. had seen
D. was seeing