[ Grammar ]
_______ on _______ well requires discipline.
A. Focusing, doing
B. Focused, doing
C. Doing, focused
D. Focusing, do

Random Topics:
Parallel Structure or Combining SentencesAdjectives or AdverbsPhrasal verbs and Prepositional PhrasesPresent and Past TensesGerunds and TensesPreposition and AdjectiveFirst & Second ConditionalTenses and ConclusionsModals of ObligationPresent Perfect and Simple Past TenseOther quiz:
Tenses › ViewYesterday, my sister ___ a book at the library.
A. read
B. reads
C. will read
D. reading
Grammar › View
Violet goes to bed _____________ than anyone I know.
A. the most early
B. earlier
C. the earliest
D. more early
Mixed Tenses › ViewShe knows all tenses, …….she?
A. is not
B. was not
C. does not
D. has not
Phrasal Verb › View
I can’t ______ tell you how grateful I am for all your help.
A. grow into
B. begin to
C. live in
D. try to