[ Past Perfect Continuous Tense ]
His skin became darker because he … something under the scorching sun without sunscreen.
- had been doing
- has been doing

Random Topics:
Present Simple and ContinuousPerfect Progressive TensesPresent Continuous for FutureGerunds in SentencesVerb-ing and InfinitiveMust / must notAbilityPresent Simple & ContinuesObject PronounPresent simple & ContinuousOther quiz:
Grammar & Vocabulary › ViewWould you like to join us?
A. Yes, I do.
B. Yes, I would.
C. Yes, I like.
Modal Verbs › View
Adults ___________ buy tickets to attend the event. It is an obligation.
A. have to
B. don’t have to
C. has to
D. doesn’t have to
