Can you eat _____________ beef once

Overloaded with work, school teachers now get far less sleep than they_______.

Some of you may have finished Unit One. _____, you can go on to Unit Two. [ ]

Drinking alcohol ( 白酒) can be your brains. So people in China aren’tallowed to drink it if they are younger than 18.

____ will we have to go—Just one mile．Keep walking．