A、 me
B、 my
C、 mine
D、 myself
答案:D
A、 me
B、 my
C、 mine
D、 myself
答案:D
A. a
B. an
C. the
D. /
A. π
B. 2π
C. π/2
D. π/4
A. careless
B. stupid
C. honest
D. humorous
A. 0
B. 1
C. -1
D. 不存在
A. surprised
B. sorry
C. glad
D. excited
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. can't
B. musn't
C. needn't
D. shouldn't
A. need
B. must
C. may
D. has to
A. open
B. to open
C. opened
D. opening
A. needn't
B. can't
C. shouldn't
D. mustn't