[ Grammar ]
I want to finish ____ this puzzle before I go to bed.
A. to be doing
B. to do
C. doing
D. having done

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Infinitive or GerundApostrophe GrammarIntermediateSo or SuchLinking VerbTenses and Sentence CompletionIn/On/At + TimeSubject Verb Agreement & Subjunctive MoodThe Present Progressive TenseGerund, Infinitive, Bare VerbOther quiz:
Gerunds › ViewThe secretary considered quitting her job.
A. As a subject
B. After preposition
C. As a direct object
D. Some particular verbs
GRAMMAR - Could / Could not › View
My younger brother ___________ when he was one year old. (walk)
A. could , walk
B. couldn’t walk