My grandpa told a good story, but I told a ________ one.
I never doubt ________ he was dedicated to our firm.
—How many students passed the math test? — ________, for it was too much for them.
—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.