[ 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:
Vocabulary and Grammar › View___________ he watch cartoons before he goes to school?
A. Is
B. Are
C. Do
D. Does
Present Simple Tense › View
Do people there ________ in a very friendly manner towards you?
A. behave
B. behaves
C. don’t behave
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
