Question

【题目】It’s always a good idea to have a second key somewhere ______ you lose the first one.

A. in case B. now that C. even though D. as long as

Answer 1

【答案】A

【解析】考查连词。in case万一；now that既然；even though即使；as long as只要。句意：在某处有两把钥匙总是一个好主意，以防你丢了第一把钥匙。故选A。