如果他们选择单选按钮外语我想要我的2个选择框，这样他们可以选择他们想要的语言，以及在哪个级别不确定如何实现这个
<label for"artlang"=""> Fine Arts or Language: </label><br>
<input name="ArtLang" type="radio" value="Art150" required>Art 150<br>
<input name="ArtLang" type="radio" value="Mus150"required>Music 150 <br>
<input name="ArtLang" type="radio" value="Lang"required>Foreign Language
<label for="language">Language: </label>
<select name="language">
<option name"="" "="" value=" "> </option>
<option name="chinese" value="chinese">Chinese</option>
<option name="french" value="french">French</option>
<option name="german" value="german">German</option>
<option name="greek" value="greek">Greek</option>
<option name="italian" value="italian">Italian</option>
<option name="japanese" value="japanese">Japanese</option>
<option name="latin" value="latin">Latin</option>
<option name="russian" value="russian">Russian</option>
<option name="spanish" value="spanish">Spanish</option>
</select>
<label for="languagelevel">Level: </label>
<select name="languagelevel">
<option name"="" "="" value=" "> </option>
<option name="Elementary" value="elementary">Elementary</option>
<option name="intermediate" value="intermediate">Intermediate</option>
<option name="advanced" value="advanced">Advanced</option>
</select>