根据汉语意思，用英语完成各句空格，一空一词， 并将答案写在相应横线上。
1、这个孩子的牙齿不好，他经常牙疼。
The child's ______ aren't good. He often _______ ______ _________.
2、你感冒了，应该躺下来休息。
You _______ ______ ________. You should _________ _______ and _____.
3、 我想他应该去看医生。
I think he _______ _______ a dentist.
4、学生每天必须睡够八小时。
_______ necessary for students ______ sleep eight hours every night.
5、妈妈说我晚饭应该尝试少吃肉。
My mom said I should ______ ______ eat less meat for dinner.
6、如果你喉咙痛，你应该多喝蜜茶。
If you have a sore throat, you should ________ hot tea _______ honey.
7、如果你想保持健康，必须进行足够的锻炼。
If you want _________ _______ healthy, you should take enough exercise.