Question

--- My son seldom has        breakfast.
­­--- It is         unhealthy habit. You must ask him to change it.

A．/ ; an

B．the; on

C．/ ; a

D．the; a

Answer 1

A

解析试题分析：句意：--我儿子很少吃早餐。--那是不健康的习惯。你必须让他改掉这个习惯。分析：一日三餐前不用冠词；下文表示一个不健康的习惯，体现为一个，unhealthy以元音音标开头的，因此用不定冠词a.故选 A
考点：考查冠词的用法。