<form action="#">
<label for="myspot">よく遊びに行く街は?(複数選択可)</label><br>
<select id="myspot" name="myspot" multiple="multiple">
<option value="shimokitazawa" selected="selected">下北沢</option>
<option value="omotesando">表参道</option>
<option value="roppongi">六本木</option>
<option value="shibuya">渋谷</option>
<option value="ebisu">恵比寿</option>
<option value="azabu" selected="selected">麻布</option>
<option value="shinjyuku">新宿</option>
<option value="other">その他</option>
</select>
</form>