问题
选择题
If you are invited for 4:00, you have to be there _ .[ ]
A.at times
B. on time
C. behind time
D. from time to time
答案
答案：B
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If you are invited for 4:00, you have to be there _ .[ ]
A.at times
B. on time
C. behind time
D. from time to time
答案：B