<?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="surface">
<item><text>Smooth the _______ with a spatula.</text></item>
<item><text>The investigation barely scratched the _______ of the city's drug problem.</text></item>
<item><text>the _______ layer of the skin</text></item>
<item><text>_______ water made driving conditions hazardous.</text></item>
<item><text>A trail of flowers floated on the _______ of the water.</text></item>
</body>
</batch>

