Mrs. Taylor has an 8-year-old daughter who has a(n) ______ for painting—she has won two national prizes.
Although Anne is happy with her success, she wonders ________ will happen to her private life.
________ there are living creatures in the outer space as those on Earth hasn't been proved until now.
We haven't settled the problem of ________ it is necessary for him to study abroad.
It surprised us all ________ Kate made such big progress in this final exam.
________ some teenagers don't realize is ________ difficult life can be after they get addicted to drugs.