1 I put my new book of zoology here, on the desk, a few minutes ago but I cannot seem to find it.
2 That novel definitely has a densely packed narrative, and is one which requires a vast knowledge of cultural background or an excellent encyclopedia.
3 Our new office will be located downtown on the corner of Euclid Adventure and East Ninth Street.
4 If it hadnít been for the computerized register tape from the grocery store I never would have had a chance to check/calculate/understand the expenditures.
Please now look carefully at all the changes to see if you understand them. If not then do ask again.