The teacher told us to remain silent unless _____.
—what do you think of the matter? —Don’t you remember I have already ________ that it was troublesome?
As a result of destroying the forest, a large ________ of desert ________ covered the land.
It was seven o’clock ________ I got to school this morning, ________ made our teacher very angry.
—Please tell Jane she has won the first prize in the English contest. —! She never did so well before.
It’s generally considered that being named as Time’s Person of the Year is a(n)of one’s success.