单词辨音 (本大题共5分,每题0.5分)
The time he has devoted in the past years _____________ the disabled is now thought to be ________ great value __________ him.
Many boys and girls are forced ____________ what they have ____________.
–– When will you go back to your hometown? ––__________.
His brother insisted on _______to have an English lesson _______ he didn’t feel well that day.
The young girl did ________ preparation work for her speech before she stood on the stage confidently.