Tom went to his teacher for ______ on how to work out the problem.
. It is suggested that medicine should not be kept where it is __________ to little children.
. In his opinion, man should try to make ________ most of the natural resources in ________Atlantic Ocean.
. The man to whom we handed the forms pointed out that they had not been ________ filled in.
. Playing with a cell phone, he suddenly ________ the teacher staring at him.
. She seemed ________ the book before, but she said she had never.