OK Since no one else is posting here is another...
Inside each set of the following words, there are a pair of smaller words. By putting & between them, lo & behold, you'll make a familiar phrase. For example, "Thighbone/Swallowtail" conceals "High & Low."
1. Skyrocketing/Trolleyman...........................
rock & roll
2. Thermometer/Apoplexy.............................
mom & pop
3. Delaware/Bordering..................................
law & order
4. Surprised/Trashiness...............................
rise & shine
5. Throughout/Stumblebum..........................
rough & tumble
Not sure bout the last one