<?xml version="1.0"?>
<!DOCTYPE BATCH SYSTEM "exercises_oup.dtd"><batch>
<exercise subhead="dragdrop"/>
<media type="none"/><head><title>Sentence Match</title><task>Type in the word missing from the sentences.</task></head>
<body findword="symptom">
<item><text>Not all carriers of the disease develop _______s.</text></item>
<item><text>Cigarettes can aggravate the _______s of a cold.</text></item>
<item><text>He had been ignoring the _______s for years.</text></item>
<item><text>Nurses are taught how to identify and treat the _______s of poisoning.</text></item>
<item><text>If _______s persist, consult your doctor.</text></item>
</body>
</batch>

