问题
选择题
___ anybody call when I am away, please write down his name and address.
A．If
B．Unless
C．Could
D．Should
答案
答案：D
如果万一有人在我离开时打电话来，请写下他的名字和地址。if从句虚拟语气可部分倒装去if把should提前。
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___ anybody call when I am away, please write down his name and address.
A．If
B．Unless
C．Could
D．Should
答案：D
如果万一有人在我离开时打电话来，请写下他的名字和地址。if从句虚拟语气可部分倒装去if把should提前。