Topics: Tenses
It is a clear fact that we ___ most of the precious natural resources by the time we ___ to do something to protect them.
A. have lost / will decide
B. will have lost / decide
C. had lost / have decided
D. are losing / decided
Select your answer:

Random Topics:
Simple and Past TensesGerunds & Infinitives + VocabularySentence StructurePassive Voice in Past Simple TenseClausePassive Voice Present SimplePresent Perfect and Present Perfect ContinuousNoun ClauseModals and ConditionalsQuantifiers & Modal VerbsOther quiz:
Prepositions › ViewHis opinions are directly contrary ______ yours.
A. to
B. with
C. about
D. on
Noun Formation › View
Choose the correct noun of the following word: Important
A. importancy
B. importance
C. importantness
D. importation
