1.They stopped after they were safe at home.(同义句） They_____stop_____they were safe at home.

题目

1.They stopped after they were safe at home.(同义句） They_____stop_____they were safe at home.
2.They listened but could not understand anything.(同义句）
They listened but could ______ _______.

答案

1 didint,until
2 understand nothing