A-A+
45．—We have to get up at 7 : 15 tomorrow morni
问题详情
45．—We have to get up at 7 : 15 tomorrow morning．
—Yes．__________we will be late for the 7 : 40 train．
A．before "
B．or
C．if
D．so
参考答案
正确答案：B
45．B【解析】句意：明早我们必须7：15起床，是的，不然就赶不上7: 40的火车了。此句相当于If we don，t get up at 7 1 15 tomorrow morning,we will be late for the 7：40 train．根据题意选B。
