A．What for B．How comeC．So what D．Why so—If you keep on ……

单项选择题—Do you mind my opening the window Its a bit hot in here.—, as a matter of fact.

单项选择题Bill wasnt happy about the delay of the report by Jason, and .

单项选择题When youve finished with that book, dont forget to put it back on the shelf,

单项选择题The weather in London is so changeable that people always take their umbrellas with themrain.

单项选择题As you worked late yesterday, youhave come this morning.