七、用括号中所给单词的适当形式填空，补全安全手册。
Look! The boy 1.
It is a 3.
Look! The girl 5.
The girls 7.
Look! The boy 1.
is running
(run) after a bus. Be 2.careful
(care)! Don't run on the road.It is a 3.
lovely
(love) day. The boys want 4.to ride
(ride) bikes in the park. Don't forget (忘记) the helmets!Look! The girl 5.
is cooking
(cook) in the kitchen. The pot is very hot. She uses mittens. Now it is time 6.to eat
(eat)!The girls 7.
are playing
(play) on the swings now. Don't go too high. Safety is the 8.first
(one) rule!答案：1. is running 2. careful 3. lovely 4. to ride 5. is cooking 6. to eat 7. are playing 8. first