Question

You'd better take some medicine with you ________ someone gets sick．

1. A.
   so that
2. B.
   as soon as
3. C.
   as long as
4. D.
   in case

Answer 1

D
解析：
句意為“你最好隨身帶一些藥，以防有人生病．”in case以防，以免．