A task of the post office staff is to_ (class) mail according to the places it is to go
classify
暂无解析
Not until recently_____that Thompson had ben telling the truth all along
You may use bike________ you give it back to me tomorrow morning
Being a ________(high) motivated lauguage learner, he takes every opportunity to improve his English
The fixed star was a planet.（）
He took his umbrella with him lest it ____(rain).
