______ all the traces of his crime, he left the building.
A. Be removed
B. Being removing
C. Having removed
D. To remove

Random Topics:
Modals - Reported Speech - ConditionalsComparatives and Past Perfect TensePossessive Adjectives VS Possessive PronounsArticles and PronounsAdjectiveDefinite pronouns (Subject, Object, Reflexive)Modal SpeculationSuperlative & Comparative AdverbsAdverbial Clauses of Reason / CauseBasic GrammarOther quiz:
Tenses › ViewWe ______ in Italy for three years before moving to Colombia.
A. was living
B. were living
C. live
D. lived
Grammar › View
People don’t expect that the new party will win the election.
A. It is expected that the new party will win the election.
B. It isn’t expected that the new party will win the election.
C. It wasn’t expected that the new party will win the election.
D. It isn’t expect that the new party will win the election.
Adjective Clause › ViewThe man ___________ received that recommendation letter works for the government.
A. That she
B. Who she
C. From whom she
D. To whom she
Modal Auxiliaries › View
Formulate a question using ‘could’ about past abilities.
A. What skills could you develop next year?
B. What skills could you develop when you were younger?
C. What skills could you have now?
D. What skills could you learn in the future?
