The boy ________ his book here and forgot ________ ithome.

The most successful retired athletes are those who can ____ the life skills they learned in sports to another area of life.

The roots of such plants can easily ________ water and guarantee the growth of the plants.[ ]

Li ping’s brother is an boy.

_______ you sit in front of the computer all day while working, you’d better take exercise for at least an hour every day