She has lost her handbag with the _____ sum of $150 in it.
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.
_______ didn't attend the lecture yesterday won't be given full marks.
It could be learned from the teacher's eyes ________ he was very satisfied with her performance.