题目

用所给词的适当形式完成句子【1】Li Ming doesn’t feel ________(good) because his head ________(hurt).【2】________(not forget) to turn off the lights when you leave the classroom.【3】Do you know a cow has four ________(stomach)?【4】I had breakfast ________(quick) and went to school.【5】Don’t worry. The doctor ________(come) soon. 答案：【答案】【1】 well hurts 【2】Don’t forget【3】stomachs【4】quickly【5】will come【解析】【1】句意：因为头疼，李明觉得不舒服。空格处所给参考单词为good和hurt。根据句中doesn’t feel提示，feel是感官动词，故good应转换为形容词well表示健康的。主句时态为一般现在时，根据句意可知，主句与because引导的原因已知三棱锥S-ABC的三条侧棱两两垂直，且SA=2，SB=SC=4，若点P到S、A、B、C这四点的距离都是同一个值，则这个值是    ．