–What do you mean ______ saying “He is over weight”? --- I mean that he is too fat ______ his age.
We can broaden our horizons through _________ to new things.
Jack’s house has been broken into twice and now he takes________ against theft at any time.
The environmental organization calls on customers not to purchase these _______ packages of food, clothes and gifts.
People are advised not to smoke at home, since passive smoking is ________ topeople around them. Which is Not proper for the blank?
He stumbled(绊倒)on the _______ ground and fell flat on his face.