Unit 13 - Lesson 3,4
<p>Lesson 3 - trang 106:</p><ol style="list-style-type:decimal;"><li>Relative pronouns join two sentences together:</li></ol><p style="margin-left:36.0pt;">Use <strong>who</strong> for people</p><p style="margin-left:36.0pt;">Use <strong>which</strong> for things</p><p style="margin-left:72.0pt;"> </p><ul><li><p style="margin-left:21.0pt;">This is the boy.