.(山东卷28). The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
-- I can’t find my umbrella. -- I saw George going away with____, but I’m not sure whether it is yours.
I can't _him in the knowledge of wild plants.As a matter of fact, he' s an expert.
It's years we met each other at a party in Qingdao .
How come you stepped into the lab with your shoes on? You’re ________to take them off before you enter it. I told you so.
She got stuck in a traffic jam on the way, or shedinner with us now.