[ Grammar ]
Just keep ______ hard and you could be a champion one day.
A. train
B. to train
C. training

Random Topics:
TOEFL GrammarVerb TenseModals, Conditionals, and Clauses- Defining, Non-definingSimple present/ past/ future tenseComparative and Superlative AdjectivesImperative SentencesModal Verbs & Perfect InfinitivePassivisationAsking for and Giving OpinionModals for Ability, Possibility and PermissionOther quiz:
Adverbs of Frequency › ViewMary failed only one test last year. She ______ pass her test.
A. Sometimes
B. Always
C. Usually
D. Often
Present Tenses and Connectors › View
You ___ exercising at 6:00 in the morning.
A. is
B. am
C. aren’t
D. isn’t.