We were scared to death when the fire ________. Fortunately, it was put out before it caused much damage.
—Would you mind if I open the door? —______
She was so angry that she rushed out into the rain ______ I could stop her.
While listening to the concert, the audience is required to remain ______ and keep quiet.
It is important to know about the cultural differences that______ cause problems.
In classes, you’d better understand as much as possible while ______ notes.