阴茎癌可出现
A．肾结石B．肾结核C．肾肿瘤D．肾下垂E．肾水肿
参考答案：D
–Would you like me to help you with the suitcase? –_______________
A．Yes, I’d love to.
B．That’s very kind of you.
C．Sorry, you can’t.
D．It’s a pleasure.
Miss Zhao is very helpful. She often helps us ____we are in trouble.
A．whether
B．although
C．whenever
D．however
