It may not rain, but you had better take an umbrella__________.
A. in case B. as well C. as least D. in need
It may not rain, but you had better take an umbrella__________.
A. in case B. as well C. as least D. in need
A
in case意为“以防万一”；as well意为“也”；at least意为“至少”；in need意为“需要”。