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

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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 › ViewWrite a sentence using the present perfect tense.
A. I will finish my homework
B. I finish my homework yesterday
C. I am finishing my homework
D. I have finished my homework.
Perfect Tense › View
We … (not / plan) our holiday yet.
A. has not plan
B. has not planned
C. have not plan
D. have not planned
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
