A、 early
B、 quietly
C、 slowly
D、 politely
答案:A
A、 early
B、 quietly
C、 slowly
D、 politely
答案:A
A. Two
B. The second
C. Five
D. The fifth
A. no
B. less
C. more
D. most
A. π/4
B. π/2
C. π
D. 2π
A. good
B. better
C. best
D. the best
A. surprised
B. sorry
C. glad
D. excited
A. many
B. enough
C. few
D. little
A. 4x-5
B. 2x-8
C. 2x-3
D. 2x-4
A. x=4,y=1
B. {(4,1)}
C. {4,1}
D. (4,1)
A. so
B. and
C. or
D. but
A. quite
B. too
C. very
D. so