It is usually warm in my hometown in March.but it be rather cold sometimes.? A.m

It is usually warm in my hometown in March，but it be rather cold sometimes.?

A.must　 B.can C.should D.would

试题答案

B

must必然，一定；can可能；should应该；would（过去）将，总会。本题提供的语境是“有时可能会……”。