A、0
B、1
C、-1
D、 不存在
答案:C
A. big
B. old
C. small
D. cheap
A. π
B. 2π
C. π/2
D. 4π
A. a
B. an
C. the
D. /
A. somebody
B. nobody
C. anybody
D. everybody
A. will kill
B. have killed
C. kill
D. killed
A. 0
B. 1
C. -1
D. 不存在
A. never
B. hardly
C. seldom
D. usually
A. your;their
B. your;them
C. yours;theirs
D. you;them
A. with
B. of
C. from
D. to
A. will watch
B. was watching
C. watched
D. have watched