[ Gerunds and Infinitives ]
I don’t remember _____ the letter. My memory is not what it used to.
A. to post
B. posting

Random Topics:
Conditional Sentences and Verb FormGender and GrammarSimple Present Continuous TensePast Simple vs Present SimpleTenses and ArticleFood VocabularyPresent Perfect Simple & ContinuousComparative and Superlative AdjectivePaired ConjunctionModals for RecommendationsOther quiz:
Simple Past Tense › ViewMy teachers were angry because I ……………………… lazy.
A. am
B. was
C. were
D. are
Grammar › View
I often go __________ on a Saturday night.
A. to dance
B. dancing
C. dance
Grammar › ViewIt is our job to think of a …………… solution to the problem.
A. simple
B. simply
Tenses › View
Here’s my report. __________ it at last.
A. I finish
B. I finished
C. I’d finished
D. I’ve finished