2l．─Could you help me write the report？

─_______．I haven’t got the time at the moment．

A .No problem     B．No，sorry   

C．Yes，please    D．All right

22．I cannot tell whether the book is worth reading, ______ I haven’t read it myself

A．but  B．so   C．or    D．for

23．That’s all I have to say. Is there anything you’d like to______ ，Terry？

A．talk B．require  C．add D．deliver