—My father seldom sleeps well at night.

试题详情及答案解析: —My father seldom sleeps well at night.
—That’s too bad. He had better ________ much coffee or tea.
A. drink
B. not to drink
C. not drink; 答案：C; 试题分析：句意：--晚上爸爸几乎睡不好觉。--太糟糕了，他最好不喝太多的咖啡和茶。Had better （not）do，最好（不要）干某事。结合句意，故选C
考点：考查非谓语动词的用法。