我对英语听力中的时间总是要花很长时间判断 比如 half past seven ,five to nine如何训练

我对英语听力中的时间总是要花很长时间判断 比如 half past seven ,five to nine如何训练 It's half past nine.(对half past nine提问) David usually goes to bed at half past nine?对at half past ni His work started at half past nine.对at half past nine进行提问 it is [half past nine ]now 对括号中的部分提问 It's half past seven now 对(half past seven)提问 Tom and Mike meet at half past seven.(对 at half past seven 提 half past seven, I went to school at half past seven yesterday morning对划线部分提问 l got up at half past five.（对at half past five做提问） half past five. I go to bed at half past nine.[同义句】