Kitty has a chinese class (at nine o'clock) in the morning 对

Kitty has a chinese class (at nine o'clock) in the morning 对 Kitty has a chinese class (at nine o'clock)in the morning).( I s____ at nine o'clock in the morning and s__ at one o'cloc I started at nine o'clock in the morning and s__at one o'clo I started at nine o'clock in the morning and a__at one o'clo I saw them _ basketball at nine o' clock in the morning The students have a Chinese at nine o'clock(就划线部分提问） My mother gets up at six o,clock in the morning.(对at six o,c nine o clock in the I usually go_bed at nine o'clock in the evening. It's d___ at nine o'clock in the evening. he has to be ____ bed ___ nine o'clock A、at;at B、to;by C、in;