[ Grammar: Adjectives & Prepositions ]
We should be worried ……… climate change.
A. about
B. for
C. of
D. at

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Future SimplePast Perfect or Past Perfect ContinuousGrammar: Reported QuestionsPassive Voice in Past and Present TensePreposition of DirectionPrepositionPast Simple VS Used toPresent Simple vs Present ContinuousArticlesGrammar: Have toOther quiz:
Verb Tenses › ViewI ______ my teeth every night before going to bed.
A. brushes
B. brushing
C. will brush
D. brush
Grammar & Vocabulary › View
Can we play _______ card game?
A. one another
B. one more
C. one for
D. one on