A、 open
B、 close
C、 opened
D、 closed
答案:D
A、 open
B、 close
C、 opened
D、 closed
答案:D
A. not to watch
B. to not watch
C. not watching
D. doesn't watch
A. helping
B. helped
C. to help
D. help
A. How often
B. How soon
C. How long
D. How far
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
A. 8
B. 4
C. 2
D. 1
A. to
B. by
C. with
D. in
A. crazy
B. lonely
C. hungry
D. sleepy
A. save
B. saving
C. saved
D. to save
A. 0
B. 1
C. -1
D. 不存在
A. What
B. What a
C. What an
D. How