I catch cold now and then.
A. always
B. occasionally
C. constantly
D. regularly
网友回答
A. always
(答案→)B. occasionally
C. constantly
D. regularly
解析:句意:我有时会感冒。now and then偶尔,有时;A. always常常,总是; B. occasionally偶尔; C. constantly不断地; D. regularly定期地。因为这里叙述的感冒的频率,如果是常常的,这里有两个选项AC都对,选项D定期地,因为感冒不会定期地来,故猜测出答案为B正确。