—The cake is delicious.—Well, at least it is________the one I baked last week.

Thinking that the students were having an evening class, the teacher left the classroom, _____.

  The people here ________water their gardens because it rains so often.

To my great surprise, the little boy _____fixed my computer in ten minutes．

He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ still failed to reach his best form in all the tests given to both adults and children.