英语选修7人教新课标unit 3 之综合同步练习（1）及答案
[基础知识•夯实]
ⅰ. 短语填空
let go; be terrified of; aware of; in between; help sb. out; upside down; sort out; draw close；in the meantime; hold up
1. he was obviously in some kind of trouble, but i didn't know how i could________.
2. she told me to ____
