膀胱炎与肾盂肾炎都有的症状是
参考答案:B
Attention! _________ in the form right now, making sure that every detail supplied is accurate.
A.Filling
B.Fill
C.To fill
D.Being filled
If you go for a long ride in a friend's car, it's the custom to offer to ______ some of the expenses. [ ]
A. pay
B. pay off
C. pay for
D. pay back