_________(Tony是否来无关紧要), for we can rely on ourselves.
第7题
A.针对性原则
B. 完整性原则
C. 及时性原则
D. 客观性原则
第10题
Billy and Tom and Sandy must be ______.
A.boys who were unknown to Tony' father
B.boys Tony had run races with before
C.boys Tony had never raced with before
D.boys Tony did not expect to race with again
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