Thank goodness! You came here at last.—You can hardly imagine what great trouble I have taken _______ your house.

________cleaning the yard and making up the beds for the old，we also read newspapers for them and had chats with them

下列各句中,表达得体的一句是

Fortunately, the illness is fully treatable if _____ within ten days [ ]

Later in this chapter cases will be introduced to readers ____ consumer complaints haveresulted in changes in the law[ ]