[ Modal Verbs ]
I know how to play the piano.
A. I can
B. I may
C. I must
D. I need to

Random Topics:
Action VerbPrepositional PhrasesArticles with SubstancesGrammar Error Correction (Simple Present Tense)Active & Passive VoiceGrammar: wishes and regretsCountable - UncountableArticles and PrepositionsParts of Speech and GrammarMixed Present TensesOther quiz:
Grammar › ViewPhysics ….. proven to be Jerry’s easiest subject this semester.
A. has
B. have
C. had
D. will have
Grammar › View
When I was young, I __ run 100m in 30 seconds. Now it only takes 15 seconds.
A. could
B. couldn’t
Adverb of Frequency › ViewHe (25%) goes to work early.
A. He never goes to work early.
B. He rarely goes to work early.
C. He always goes to work early.
Vocabulary › View
in a manner intended to attract notice and impress others
A. abide
B. ostentatiously
C. infallible
