Don't eat ____ (such/so) many hamburgers a day. It's bad for your health.
____ ____ do you go to the park?
My bother is in _______.
读一读,选择划线部分发音不同的一项
如图,在等腰Rt△ABC中,∠C=90°,AC=6,D是AC上一点,若tan∠DBA=15,则AD的长为____ .