It is usually warm in my hometown in April but it be rather cold sometimes.A. canB. must

问题补充：

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

A. can

B. must

C. would

D. should

答案：

(答案→)A. can

B. must

C. would

D. should

解析：考查情态动词：A. can 能，可以，可能B. must必须，偏要C. would愿意，会D. should应该，句意：我家乡4月份通常很暖和，但有时也可能相当冷。Can表示有客观的可能。选A。