A:dangerou
B:a danger
C:in danger
D:dangerous one
- Can she play football? – Yes, she can.
巨=____ 龙=____ 腾=____ 飞=____.
汽车速度是36km/h,短跑运动员的速度是10m/s,自行车1min通过0.6km的路程,则( )