A、 his
B、 her
C、 their
D、 your
答案:C
A、 his
B、 her
C、 their
D、 your
答案:C
A. so
B. very
C. too
D. much
A. will kill
B. have killed
C. kill
D. killed
A. how they are playing
B. what they are doing
C. where they are going
D. why they are practicing
A. don't
B. didn't
C. wouldn't
D. won't
A. 4
B. 5
C. 6
D. 8
A. {x|1<x<5}
B. {x|x>5或x<1}
C. {x|1≤x≤5}
D. {x|x≥5或x<1}
A. f(-4)<f(-2)<f(-1)
B. f(-2)<f(-1)<f(-4)
C. f(-2)<f(-4)<f(-1)
D. f(-1)<f(-2)<f(-4)
A. exercises
B. problems
C. skills
D. rules
A. 0
B. 1
C. 2
D. 3
A. 0
B. 1
C. -1
D. 不存在