[ Grammar ]
Human activities are also blamed ____ having contributed to global warming.
A. for
B. on
C. at
D. with

Random Topics:
Simple Past or Past ContinuousBe going to / WillGrammar- Later/LatterHave GotIntermediate PrepositionsPast ModalsModal Verb, Passive VoiceGrammar and PunctuationGrammar Pronoun and Singular Plural NounWill and Will notOther quiz:
Tenses › ViewShe can dance very well tonight.
A. Simple Present
B. Present Continuous
C. Present Perfect
D. Simple Future (with modals)
Conjunctions › View
Will it be hot and sunny ________ cloudy and rainy?
A. or
B. so
C. and
D. because
