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