May I attend your lecture, MrGreen?—Welcome _____ open arms

He has been acting strangely these days. I can’t _____ his actions at all.

Why haven’t you returned the book yet -I ________to, but I forgot it.

We hope one day all the violence and poverty will be___________ in the whole world and we can live a really harmonious life.

Once a decision has been made, all of us should ____it.