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One of _______ most serious environmental problems is _______ pollution.
A. the,zero
B. a,the
C. an,the
D. zero
Random Topics:
Prepositional PhrasesSo or SuchConditionals / Unreal PastPunctuationsModal Auxiliary VerbsSubjective and Objective PronounCoordinating & Subordinating ConjunctionsComparison Degree & GerundsSo / Neither / Either / TooSubjunctiveOther quiz:
Mixed General Quiz › ViewWhich of the following cannot use the suffix -ward?
a. down-
b. for-
c. heaven-
d. home-
e. house-
Mixed General Quiz › View
Mother’s ashes are kept in this ___.
a. earn
b. urn
What is the correct spelling of chop + -ed?
A. choped
B. chopped
C. chopt
Passive Voice › View
What is the important rule in Passive Voice?
A. V1
B. V2
C. V3
D. V-ing