Consider also individual astronomers: / Their discoveries could not have happened / unless centuries of technological development of the telescope and evolving knowledge of the universe had come before them.

You will learn more efficiently / by focusing on information that you struggle with / rather than just reviewing what you already understand.

It is vital / that rescue workers should secure sources of clean drinking water / in the areas damaged by the tsunami.

The actions that developing nations are taking to end poverty in their countries / may well cause unanticipated problems in the future.

Once the easily overtaken and killed prey had been hauled aboard, / getting its body back to the tribal camp / would have been far easier by boat than on land.

We tested all of the hardware, / so the glitches we are experiencing must be the result of a software malfunction.

A lot of people in my generation are deciding / they’d rather keep the ten or twenty thousand dollars a wedding might cost / to make a down payment on a house or pay off student loans.

People, Homo sapiens and our past ancestors and relatives, / must always have been managing water in some manner / as far back as six million years, / the date at which we shared a common ancestor with the chimpanzee.

The Rainforest Protection Agency requests / that consumers should not buy products made from tropical hardwood / in order to combat deforestation.