21. From the bark of the paper birch tree the Menomini crafted a canoe about twenty feet long and two feet wide, with small ribs and rails of cedar, which could carry four persons or eight hundred pounds of baggage so light that a person could easily portage it around impeding rapids.fficeffice" />
(A) baggage so light
(B) baggage being so light
(C) baggage, yet being so light
(D) baggage, and so light(E)
(E) baggage yet was so light
请问 baggage yet was so light 怎么解释?
15. As a result of the continuing decline in the birth rate, fewer people will enter the labor force in the 1980’s than did in the 1960’s and 1970’s, a twenty-year period during which people born after the war swelled the ranks of workers. 为什么than后面加did ?不加行不行? 10. IRS provision 354-B requires that an S corporation with assets of greater than $200,000 send W-2 forms to its full-and part-time employees on or before Jan.31. great 和more 什么时候用不同啊?这里用more也行吧? 谢谢
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