SAT有3个问题,求助各路牛人,题目已简化...3Q!
this morning,just as the professor was leaving for his lecture ,a panel A[issued a report confirming] XXX.
B.issued a report to confirm of
A is right
running outdoors is better than A.[running on a treadmill,which is in part because of the ]greater wind resistance outdoors.
B.running on a treadmill,in part because there is
B is right
A.[ never having encountered ]such arrogence ,i did not konw how to react.
B.never had i encountered
第三提b是对的