Because of the poor harvest, wheat prices have _____ in the last six months.
________ 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.
—How will you deal with these papers, Ann?—I will leave them to ________ takes over the job.
—What upsets him?—________ his computer is out of order.