6. The Iroquois were primarily planters, (but supplementing) their cultivation of maize, squash, and beans with fishing and hunting. 答案是D,不知道A和E错哪了? (A) but supplementing 怎么错? (B) and had supplemented (C) and even though they supplemented (D) although they supplemented (E) but with supplementing 怎么错?
section-18-1 1. Clark and Florence , a husband-and-wife medical team, worked steadily and efficiently through the night,( but sipping their coffee the next morning, she noticed that he seemed disoriented.) (A) sipping their coffee the next morning, she noticed that he seemed disoriented (B) sipping their coffee the next morning, he seemed to be disoriented, she noticed (C) as they sipped their coffee the next morning, she noticed that he seemed disoriented (D) as they were sipping their coffee the next morning, he seemed, she noticed, disoriented (E) he seemed disoriented, she noticed, sipping their coffee the next morning 答案是C,但是我感觉D不是更好么? 在他们正在喝的时候,as they were sipping, 比as they sipped的好啊,as they sipped的很怪,都不是表过程的。。。