1.the young pilot had completed a cross-country flight____ he almost collided into another aircraft.
a. during the time, b. during which
2. a month ago, at Giza, just outside Cairo, construction workers unearthed some flat stones ______ were written the rules for training school-leavers.
a. on which b. where
第二题求解,并翻译, 谢谢~~~
这两题类型是一样的吧??
可以详细讲讲第一题吗
有加分..