Which of the following sentences uses the verb 'spend' correctly?
答案解析
Core concept: Verb pattern of 'spend' (spend + time + verb-ing).
Correct answer: C. 'spend the weekend repairing' follows the correct structure.
Error analysis: A/D incorrectly use 'to + verb'; B uses base form 'learn' instead of 'learning'.
Key point: 'Spend' requires gerund after time expression.
正确答案:C