[ Grammar ]
The key to ______(unlock) our power of forests is in the five senses.
A. unlock
B. unlockking
C. unlocking
D. uncloking

Random Topics:
Present Simple TenseParticiple Clauses & Cleft SentencesPresent simple, Present continuous, Singular, PluralAdverbs, Infinitives, Definite ArticlePrepositions Of PlaceGiving and Asking for AbilityOpinion / AgreementSpeech TensesConditionalsBare Infinitive and To InfinitiveOther quiz:
Grammar & Vocabulary › ViewPerhaps she did her ______ work of all in this class.
A. good
B. better
C. best
Grammar › View
Identify the comparative adjective: My brother is taller than I am.
A. tallest
B. taller
C. shorter
D. tall
Preposition on Time › ViewI have dinner ___ six o’clock.
A. at
B. on
C. in
D. X
Grammar › View
__time awaits for no man.
A. –
B. The
C. A
D. An
