21．—Hey , Mr．Smith , you are wanted on ． phone
—Who is calling ?
— Mr．Green．I don’t know he is．
A．不填；A B．the ；不填 C．the ; A D．不填；不填
22. Before the sales start, I make a list of _____ my kids will need for the coming season.
A. why B. what C. how D. which
