Combining each <em>set of sentences</em> into simple sentences will be as follows:
1. The traveler toiled slowing over the desert before he suddenly turned round to hear his companion's voice crying for help.
2. To his credit, he honestly paid all of his father's debts.
3. The thieves poisoned the dog he brought from England and trained carefully to protect his property.
The basic ingredients for a simple sentence are that it has a<em> subject, a verb, and expresses a completed thought.</em>
Thus, the sentence sets have been combined to produce simple sentences.
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