A、 though
B、 before
C、 because
D、 since
答案:B
A、 though
B、 before
C、 because
D、 since
答案:B
A. Room 606
B. No.2 Hospital
C. Fifth Avenue
D. Three
A. describes
B. improves
C. prepares
D. corrects
A. in
B. with
C. about
D. for
A. serious
B. more serious
C. most serious
D. the most serious
A. 所有大于2的整数
B. 等于2的数
C. 接近于2的数
D. 不等于2的偶数
A. it
B. them
C. him
D. her
A. early
B. quietly
C. slowly
D. politely
A. How often
B. How soon
C. How long
D. How far
A. sits
B. sat
C. is sitting
D. was sitting
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