Question

(2007·辽宁)

--- Turn off the TV, Jack. ________ your homework now?

--- Mum, just ten more minutes, please.

[　　]

A．Should you be doing

B．Shouldn't you be doing

C．Couldn't you be doing

D．Will you be doing

Answer 1

答案：B
解析：

句意："杰克。把电视关上。难道你现在不应该在做作业吗？""妈妈，请您就让我再看10分钟吧。"should意为"理应，应该"。