His mother becomes disappointed whenever he fails to live up to her________(expect)

Good parents have the ability to communicate messages of love, trust, and self-worth ______their children

I don’ t need any help at the moment,but I _____your offer

Experts have found that normal sleep can be divided into five______stages

Robots,___(become)increasinglyprevalentinfactoriesandindustrialplantsthroughoutthedevelopedworld,areprogrammedandengineeredtoperformindustrialtaskswithouthumanintervention.