1) The art of storytelling ___ almost as old as humanity. a) that is b) is c) it is d) being 2) ___a few of the sounds produced by insects can be heard by humans. a) Only b) There are only c) That only d) With only 3) ____ when lava cools very rapidly.  ____ when lava cools very rapidly. a) Because pumice is formed b) To form pumice c) Pumice is formed d) Pumice is formed 4) Duke Ellington wrote ____ during his career. a) that over a thousand songs b) over a thousand songs c) over a thousand songs were d) there were over a thousand songs 5) Before the invention of the printing press, books ____ a) that were very rare b) were very rarely c) were very rare d) as very rare 6) In Michigan, ____ over six hundred feet deep. a) salt deposits b) where salt deposits are c) having salt deposits d) there are salt deposits 7) ____ a tomato plant from 75 to 85 days to develop into a mature plant with ripe fruit. a) It takes b) To take c) That takes d) By taking

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