他的征兵令突然来了，下周就得去报到。

His ___call-up came unexpectedly, and he has to report next week.

收到国家队的征召让他激动不已。

He was overjoyed after receiving his ___call-up to the national team.

我接到了一个陌生号码的来电。

I received a ___call-up from an unknown number.