[ Grammar ]
Only recently ______ popular all over the country.
A. have indoor climbing gyms become
B. in becoming indoor climbing gyms
C. indoor climbing gyms have become
D. indoor climbing gyms
Select your answer:
Random Topics:
PronunciationPast Perfect Simple & Past Perfect ContinuousSubordinating Conjunctions and ClausesQuestion tag and + - AgreementTenses and StructuresSpeculation with Modal VerbsApostrophe GrammarAbilityPronounciation and GrammarCoordinate ConjunctionOther quiz:
Past Simple › ViewShe ______ out to her mother for help.
A. calling
B. call
C. called
D. to call
Present Tenses › View
I _______ for Christine. Do you know where she is?
A. look
B. looked
C. am looking
D. looks