<?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="migration">
<item><text>the seasonal _________ of birds</text></item>
<item><text>The decline of the rural economy has caused urban _________.</text></item>
<item><text>the forced _________ of African slaves</text></item>
<item><text>the great waves of _________ that took Europeans to the New World</text></item>
<item><text>changes in the _________ routes of reindeer</text></item>
</body>
</batch>

