(2019原创)Everyone should wait in line outside. You couldn't come in u________ your name is called.
(2019原创)T________ he is only seven years old, he knows a lot about science.
(2019原创)I'm sorry. I forgot to take out the rubbish w________ I left home in the morning.
(2019原创)My mom always cooks chicken soup for me b________ it's good for my health.
(2018承德二模)The story mainly tells us that i________ we work hard, we won't fall behind.
(2018保定莲池区二模)We all know that Mike is not an officer, ________ a common soldier.
