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】句意：把你的钥匙留给你的邻居，以防你把自己锁在外面了。A. as long as“只要”；B. even though“尽管”；C. in case“以防”；D. as if“好像”。根据句意，选C。