[ Adjective / Noun + to Infinitive ]
His ability ____ mathematics in a short time is wholly admirable.
A. not to work out
B. work out
C. to work out
D. working out
Select your answer:
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Article & PrepositionModals and InversionPresent Progressive TenseTOEFL GrammarAdverbs, Modals, Preposition of timePreposition (at,in,on)Grammar and ReadingUnless If First ConditionalPossessive Adjectives & Possessive PronounsOther quiz:
Grammar › ViewWhen she saw how I was dressed, she started _______.
A. laugh
B. laughed
C. laughing
D. laughs
Grammar › View
A：Susan’s eyes are red. ______ she ______? B：Yes, but don’t worry. She just practiced for the school play this morning.
A. Did; cry
B. Does; cries
C. Is; crying
D. Did; cried