When that piane took off,this one had already landed in the aiport

问题描述:

When that piane took off,this one had already landed in the aiport
When that piane took off,this one had already landed in the aiport_____(safe)
In the _____(过去),there was no school in that village.

答案应该是:
1. safely(安全地)
2. past(过去)