haul

　　monster

　　plumber

　　economist

　　back and forth

　　be ashamed of

　　do harm （to）

　　look down on/upon

　　nothing but

　　1.While I wouldn‘t have time to talk at length， there was time to exchange the greetings that go with civilized ways

　　2.I said hello in quite a few yards before the message sank in that this wasn‘t the thing to do

　　3.Steve spoke spontaneously about these things on the long ride to the dump

　　4.It doesn‘t do any harm， and it still feels right

　　5.Neither its pipes nor its theories will hold water