[ Gerunds And Infinitives ]
One of the biggest worries of our time is how …… the earth’s resources …… .
A. meking / lasting
B. make / to last
C. to make / last
D. to have made / lasted
E. having made / to last

Random Topics:
Prepositions of Location, Movement and TimeQuestion TagSynonymPrepositions of MovementConjunction and PunctuationModalDemonstrative SpeechPast TenseCorrelative ConjunctionModal Verbs for SpeculationOther quiz:
Sentence Structure and Pronoun Antecedent › ViewThe jockey sprained ___ ankle after the race in Sta. Ana.
A. its
B. his
C. him
D. her
Conditional Sentences › View
It_____ quicker if you use a computer.
A. will be
B. would be
C. were
D. been
