[ Comparative and Superlative Adverbs ]
Leonardon worked (harder, more hard) on his school work this year than last year.
A. harder
B. more harder

Random Topics:
Grammar and VocabularyAuxiliary ModalPassive Voice with ModalsQuantifiersSentences vs Run-OnsModals, Phrasal Verbs, Gerunds and InfinitivesCorrelative Conjunction & Complex SentencesCountable & Noncountable NounsVerbs and Subject Verb AgreementConjunctive AdverbOther quiz:
Present Perfect Continuous Tense › ViewHow long … properly in the gym?
A. has he been working out
B. have he been working out
Grammar › View
Jeanette did very badly on the exam. She _____ harder.
a. must have studied
b. should have studied
c. could have studied
d. must studied
Vocabulary › ViewThere are many _________ taking part in the contest.
A. competitive
B. competitors
C. competitions
D. compete
Compound Adjectives › View
Recent research shows baboons make ______ sounds
A. mass-produced
B. three-dimensional
C. human-like
D. good
