<?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="patrol">
<item><text>Every police car and foot ______ in the area is on full alert.</text></item>
<item><text>The highway ______ has sealed off the area.</text></item>
<item><text>helicopters used for traffic ______s</text></item>
<item><text>The Italians flew regular ______s over the desert.</text></item>
<item><text>They maintain a continuous ______ of the oceans with three submarines.</text></item>
</body>
</batch>

