There were_____ students in the hall that you could hardly breath! [ ]

It’s the office! So you ______ know smoking is not allowed here— Oh, sorry

You_____thelookonhisfacewhenhewonthelottery.

ng to a small village at the foot of the mountain, he told us that was ________ he was born and brought up.

The boy was made to the explanation(解释，说明 process of explaining) .