[ Vocabulary ]
a necessary predecessor
A. Incompatible
B. Catalyst
C. Precursor
D. Synthesis
Select your answer:

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Mixed GrammarConjunctions and PrepositionApostrophe GrammarGrammar Comma UsageGrammar-Present Continuous-Sentence MakingConditional TensesAuxiliaries VerbGerunds and InfinitivesPresent Perfect Simple & ContinuousExpressing Obligation and ModalsOther quiz:
Adverbs of Manner › ViewWhich adverb would you use to describe someone who is not loud?
A. Frantically
B. Quietly
C. Greatly
D. Stunningly
Grammar › View
Choose the best transition word to complete the sentence: I didn’t study for the test. ______, I didn’t do well.
A. However
B. For example
C. As a result
D. Also
