9. 没能 / 没法… can’t fail to do…/ be unable to do…/can’t manage to do... 10. 应该 should be supposed to do…/ had better do… 11. 一收到 (…东西) As soon as I received… On receiving… 12. 我很 / 十分抱歉… very / quite I am more than / excessively/awfully sorry that.. 13. 事实上 in fact / actually as a matter of fact / in reality