【简答题】We must either find a way or __________ (走出一条路).
【单选题】We must find a dictionary. ____ will do.
【单选题】We can’t walk there. _________, we must find a taxi.
【单选题】We must find a solution ______ this problem by the end of this month.
【简答题】在6类双绞线中增加了十字骨架将四对物理线分开,其目的是减少线对线间信号的 。
【单选题】Having walked in the desert for several days, we felt exhausted, but we had to find a pool before water in the bottle ____.
【简答题】电工专用测电笔,检测电路电压电流,不带记录装置