[ Grammar ]
Finding food used —- the biggest challenge for ancient people. They spent most of their time for it.
A. to be
B. to being
C. being
D. be
Select your answer:
Random Topics:
IELTS VocabularyModals and PhrasesPassive Voice - Present TensesZero & First ContidionalPrepositions and Phrasal VerbsModals for ObligationConditionals and Modal VerbsPreposition and Word FormFuture Perfect vs Future ContinuousGrammar - Countable/ UncountableOther quiz:
Modal Verbs › ViewI _______ say that he is a fool.
A. Must
B. Ought to
C. Ought
D. Should
Grammar › View
Could you pick up a ____of milk on your way home from work?
A. carton
B. pot
C. can
D. packet