<?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="research">
<item><text>the ________ done in the 1950s that linked smoking with cancer</text></item>
<item><text>Recent ________ on deaf children has produced some interesting findings.</text></item>
<item><text>Who is directing the group's ________ effort?</text></item>
<item><text>Copies of the tape can be made for ________ purposes.</text></item>
<item><text>Most ________ in the field has concentrated on the effects on children.</text></item>
</body>
</batch>

