điền từ còn thiếu :
lan : what's the matter with Son ?
nam : he ............a bad cough and .........a............. in his head
lan :oh, really ?poor him!
nam: what's the matter with you ?
lann : I ............a..................in my back
nam : oh, you ............take a .................. and ...........carry heavy things
lan : ok!thanks
1.has
2.has
3.pain
4.have
5.pain
6.should
7.rest
8.don't