I often have trouble _________ up the morning.A. waking& Wap版

试题详情及答案解析: I often have trouble _________ up the morning.
A. waking B. to wake C. wake; 答案：A; 试题分析：句意：我经常早上很难醒来。此题考查European是以辅音音素开头的，故用have trouble doing sth做某事有困难；根据句意，故选A。
考点：考查非谓语动词。