[ 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:
Present Tenses › ViewDear John, First of all, sorry I _____________ (not write) for so long, but I was on holiday.
A. am not writing
B. have not been written
C. have not written
D. don’t write
Preposition after some Verbs › View
Poor Linda! She suffers _______ migraine headaches.
A. to
B. at
C. for
D. from
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
