问题
选择题
-It's time ________. Good night.
-Good night. [ ]
A. to get up
B. to go to bed
C. get up
D. go to bed
答案
答案：B
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-It's time ________. Good night.
-Good night. [ ]
A. to get up
B. to go to bed
C. get up
D. go to bed
答案：B