We all go to movies ____ Li Ming, he does his homework at home.[ ]

Look! That man looks like Mr．Brown．—It ________ be him, for I know he is at home．

I like to go hiking _____ my pet dog in the evening. [ ]

Since you are in trouble, why not ______ our offer of help?

Was it from Mary, _______ was working at a department store, ______ you learned the news?