6. Those who enter marathons soon learn that, to succeed in these grueling competitive events, runners must be in excellent condition, have unshakable self-confidence, and, most important of all, know how to pace yourself.
(A) know how to pace yourself
(B) is knowing how to pace yourself
(C) know how to pace themselves
(D) you must pace yourself(C)
(E) they must know how to pace themselves
觉的该选E,
Those who enter marathons soon learn that(,to succeed in these grueling competitive events,)runners must be in excellent condition, have unshakable self-confidence, and(,most important of all,) know how to pace yourself.
还得自己顶,NN快出来帮我解释一下呀!
谢谢!!
再帮你顶一下!
NN们请显身吧!
说的有点道理。我的确也不明白为什么have unshakable self-confidence, and, most important of all, know how to pace yourself.那个and前面为什么有逗号?按道理应该是SVO,AND SVO 呀。有逗号的话AND后面的必须有主语吗?
请个位大牛指点!
谢谢楼上帮顶,自己在顶一下!
NN们出来帮帮忙呀!
runners must be in excellent condition, have unshakable self-confidence, and, most important of all, know how to pace yourself.
-- runners must be, V2 (have), and, (插入語: most important of all) V2 (know)
you dont need to repeat the subjects, runners again..!
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