sick because of unreturned love

sick because of unreturned love because of sick-ness. 是什么意思 they were not at school because of ____(sick) He didn't go to school because of ______(sick). He became sick because of the desert heat.如何解释? “Most of people get sick because of the cold weather”doctor 宾语从句 连词成句：sick because of some seasonal changes people get easily the He had to ask for a sick leave because of his i____ 根据首字母填空 Because of his high fever,the sick man raved all night. 填什么Danny was _____ (absence) from school because of his _____ .(sick) he can't come to school today because of his （）（sick）适当形式填空 get sick of be sick of Sick of being i am sick of 单词的适当形式Mary didn't take part in Mike‘s birthday party because of her -----（sick） i‘m sick of you be sick of 加..准确