<?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="aircraft">
<item><text>To be an ace you had to shoot down five enemy ________.</text></item>
<item><text>The ________ is due to take off at midnight.</text></item>
<item><text>a US Navy ________ carrier</text></item>
<item><text>Significant progress has been made in reducing ________ noise.</text></item>
<item><text>He claimed that ________ noise was the worst form of pollution.</text></item>
</body>
</batch>

