I'm not very good at ____ names.
- A. remembering(correct answer)
- B. remember
- C. to remember
- D. remembered
Why: At is a preposition, so the verb after it takes -ing.
B114 questions · Intermediate · Verbs and Verb Patterns
Practise the verb after a preposition: interested in, good at and thanks for + -ing, before, after and without + -ing, by + -ing, look forward to, be used to and get used to, and -ing as the subject. Answers included.

1.I'm not very good at ____ names.
Why: At is a preposition, so the verb after it takes -ing.
2.We're looking forward to ____ you in Đà Lạt.
Why: In look forward to, to is a preposition: seeing.
3.He left the party without ____ anyone.
Why: Without is a preposition: without telling.
Why a verb after a preposition takes -ing: interested in learning, before eating, by + -ing, look forward to, and be used to or get used to.