5.He is complaining of all the usual __________ of flu—a high temperature,headache and so on.

5.He is complaining of all the usual __________ of flu—a high temperature,headache and so on.
5.He is complaining of all the usual __________ of flu—a high temperature,headache and so on.

5.He is complaining of all the usual __________ of flu—a high temperature,headache and so on.
symptoms:症状