It is usually warm in my hometown in April, but it be rather cold sometimes.
A. can
B. must
C. would
D. should
网友回答
(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。