11.3 used to / be used to -动词的时态 11.3 used to / be used to used to + do:"过往常常"默示过往习尚性的举措或状况,但现在已不存在。例如: Mother used not to be so forgetful.老妈过往没那么... /
2010-06-08 / 查看
130 次
OG10语法268题及GWD22语法总结二十九 28. The rise in the Commerce Department's index of leading economic indicators suggest that the economy should continue its expansion into the coming months, bu... /
2010-06-08 / 查看
7 次