精选优质文档-倾情为你奉上Unit 8 Section Al Language Focus Words in Use 1.The main task for the troop there is not fighting but (arresting) the progress of the enemy army and waiting for reinforcements (援兵).2.He always anxiously summarizes the concessions which he has made but he almost always (omits) to mention those offered by the other party.3.She was an excellent teacher, whose (optional) courses on womens writing were very popular among the students.4.It will be up to the doct