A、15
B、16
C、14
D、13
答案:A
A、15
B、16
C、14
D、13
答案:A
A. waited for
B. handed in
C. agreed with
D. knocked at
A. 24
B. 20
C. 16
D. 8
A. 0
B. 1
C. -1
D. 不存在
A. How slow
B. How fast
C. What a slow
D. What a fast
A. cleaned
B. will clean
C. was cleaned
D. is cleaned
A. cold
B. fever
C. cough
D. toothache
A. describes
B. improves
C. prepares
D. corrects
A. good
B. better
C. best
D. the best
A. without
B. against
C. through
D. /
A. 关于原点对称
B. 关于x=1对称
C. 关于y轴对称
D. 关于x轴对称