Unit 4 - Lesson 2
<ul style="list-style-type:disc;"><li><span style="color:rgb(31,31,31);font-size:14px;">review asking for information and directions </span></li><li><span style="color:rgb(31,31,31);font-size:14px;">use could for requests and wh-words before to-infinitives to ask for information or instruction</span></li></ul>