This chemical material is very toxic. So put it ______ the children’s reach.

Would you like to_______ with us to the film tonight?

You can take anything from the shelf and read, but please ______the books when you’ve finished with them.

 The little boy, out of curiosity, _______ the toy to see how it worked, but couldn’t put it together.

The middle-aged man said he would accept the job, so we have asked him to ________ his acceptance in writing．