<?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="survey">
<item><text>a nationally representative ______ of the US population conducted each year</text></item>
<item><text>The researchers undertook a sample ______ of schools in the city.</text></item>
<item><text>The fifth follow-up ______ provides the data for this study.</text></item>
<item><text>a historical ______ of children's clothing</text></item>
<item><text>A recent customer ______ showed widespread ignorance about organic food.</text></item>
</body>
</batch>

