19、A：Hello，Wang Wei! Could you help me，please?

B：Certainly!(1)          can I help you?

A：I(2)         to move the writing desk，but it’s(3)          heavy．

B：Where do you want to(4)          it? 

A：I want to put it in the next room．

B：OK．(5)        we go now? 

A：Yes．Let’s go．

B：Oh．It’s so heavy．Is it 6         ?

A：No．It’s full 7             books．

B：I see．Why 8          you take 9          the books?

A：That’s a 10          idea．