________ anything, give me a call and I'
题型：选择题
问题：
________ anything, give me a call and I'll be glad to help you.
A．Had you required
B．Should you require
C．Would you require
D．Could you require
题型：选择题
________ anything, give me a call and I'll be glad to help you.
A．Had you required
B．Should you require
C．Would you require
D．Could you require
