[ 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

Random Topics:
Present Perfect ContinuousAdjective Clause and Adverb ClauseAdverbs, Modals, Preposition of timeContractions and ConjunctionsPresent Continuous-ing / InfinitiveConjunctions and PrepositionsPresent Perfect Simple and ContinuousNoun, Verb, AdjectiveMust Vs Have toOther quiz:
Tenses › ViewI ________ asleep before eight o’clock yesterday.
A. had fallen
B. fell
C. has fallen
D. was falling
Grammar › View
The twins do not look alike, _______ they?
A. do
B. did
C. don’t
D. didn’t
Tenses › ViewZaki does not do his homework.
(+) …
A. Zaki does do his homework.
B. Zaki does his homework.
C. Zaki do his homework.
D. Zaki his homework.
Vocabulary › View
What is the definition of ‘tirade’?
A. A period of a thousand years
B. A long, angry speech of criticism
C. Concise and forcefully expressive
D. The action or process of receiving something that is given