问题
选择题
. I have to see the doctor because I_________a lot lately.
A．have been coughing
B．had coughed
C．coughed
D．cough
答案
答案：A
搜题请搜索小程序“爱下问搜题”
. I have to see the doctor because I_________a lot lately.
A．have been coughing
B．had coughed
C．coughed
D．cough
答案：A