The teather often tells his students _(not swim) alone in the river.
问题描述：
The teather often tells his students _(not swim) alone in the river.
Be q_.We will be late for class
His grandpa lives in a village a_
He fell off his bike and h_ his left leg
Some factories are p_ dirty water into the river nearby.
It's not s_ for a 5-year-old child to go across the street without any help.
答
not to swim
quick
alone
hurt
pouring
safe