he made another attempt a week later.____ he got within half a mile of Dover.
问题描述：
he made another attempt a week later.____ he got within half a mile of Dover.
1) this time
2) then
选哪个,为什么?也说说为什么不选另一个?
答
this time
made another attempt 表明之前也有过尝试,所以用this time表示这次的结果