[ Vocabulary ]
a necessary predecessor
A. Incompatible
B. Catalyst
C. Precursor
D. Synthesis
Random Topics:
Present Perfect and Present Perfect Progressive TensesShould and Shouldn'tPresent tense AffirmativeGrammar - could / could notVocabulary and ModalsTime Clauses of FutureEssential and Nonessential ClausesNounsPresent Simple: affirmative, negative, interrogativeDo not or Does notOther quiz:
Relative Clauses › ViewThe child _____ toy was broken was crying.
A. who
B. whom
C. whose
D. that
Continuous Tenses › View
….. she join the competition next month?
A. will
B. shall
C. can
D. must
Grammar › ViewShe worked ___ a rich family and her job was to care ___ the sick grandmother.
A. on
B. in
C. for
D. about
E. to
Grammar › View
Your watch is _________ than mine.
A. the most cheap
B. cheaper
C. more cheap
D. the more cheaper