啊啊啊啊哦哦哦啊啊啊啊:20091112--Miscellaneous Topics
20100121--Parallelism, Ambiguous Sentences & Comparisons of Quantities
20100513--Parallelism and Placement of Helping Verbs
20100624--???
20100923--use of "based on", "due to", "including" & appositive modifiers
20101118--A New Way to Study Sentence Correction & Verb Tense Basics
20101216--Verb Tense Quantitative: Probability
20110331--"Which" Modifiers & Ambiguous Pronouns
20110512--Initial Modifiers
20110825--"Which" Modifiers
20111020--Miscellaneous Comparisons
20120105--Meaning and Modifiers
20120216--Use of -ING forms
20120301--Use of "AND"
20120315--The Use of "AND" as a Connector
20120426--Modifier Workshop1
20120510--Modifier Workshop2
20121025--Overall Sentence Structure Issues1
20121206--Overall Sentence Structure Issues2
扶老夫起来哟:2010-1-21 有题不完整放这
A report by the American Academy for the Advancement of Science has concluded that much of the currently uncontrolled dioxins to which North Americans are exposed comes from the incineration of wastes.
(A) much of the currently uncontrolled dioxins to which North Americans are exposed comes
(B) much of the currently uncontrolled dioxins that North Americans are exposed to come
(C) much of the dioxins that are currently uncontrolled and that North Americans are exposed to comes
(D) many of the dioxins that are currently uncontrolled and North Americans are exposed to come
(E) many of the currently uncontrolled dioxins to which North Americans are exposed come