[ Vocabulary ]
This hard math problem is _________ to me.
A. succeed
B. challenging
C. agree
D. study

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Finite and Non-Finite VerbTenses - Irregular VerbsOrder of AdjectivesComparatives or SuperlativesWish, Unless, If sentenceAdverb PhrasesCommas and Subordinating ConjunctionsPresent Perfect Continuous TenseEssential and Nonessential ClausesProgessive TensesOther quiz:
Vocabulary › ViewA character who undergoes an important change in a story in their beliefs, personality or attitude.
A. protagonist
B. dynamic character
C. antagonist
D. static character
Subject Verb Agreement › View
He could (has, have) blocked her along the way.
A. has
B. have
Articles A and An › ViewThere is _ office beside this building.
A. a
B. an
Grammar › View
The Speckled Band ______ by Sir Arthur Conan Doyle.
A. wrote
B. writes
C. was written
D. was writing
