—Does he know how to work out the problem?---Yes, he has ___ a good idea to solve it. ----Yes, he has ___ a good idea to solve it.
—______ will be our teacher of English in the coming year? —Mrs. White, I guess.
—Do you know ______ Tom was punished by his father? —That was ______ he refused to go to school.
This cake is very sweet. You ______ a lot of sugar in it.
To keep slim, many young girls prefer going on a ______.
—What do you think of the story? —Wonderful! It ______ my childhood.