Question

【题目】Leave your key with your neighbor you lock yourself out one day.

A. as long as B. even though

C. in case D. as if

Answer 1

【答案】C

【解析】A项意为“只要”；B项意为“尽管”；C项意为“以防”；D项意为“好像”。根据句意：把你的钥匙留给你的邻居，以防你把自己锁在外面了。所以选C项。