Bài 1 : Fill in the blank with suitable word :
1 . They are ................... the apple tree . They may fall.
2 . mary shouldn't ................. too fast because she may fall off her bike and break her leg .
3 . Don't let your baby .............. the bed .
4 . Linda is playing with a cat . It may ,.............. her face .
5 . Falling is common type of ................ for young children at home .