He has been out of work for three months; as a result, he has to ____on family expenses by one-third.
The sun was shining brightly, _____ everything there _____ more beautiful.
It is considered unwise to give a child _______ he or she wants.
He didn’t explain _______ why he was late, which made us unhappy.
Don’t spoil (惯坏) the child. Can’t you make your little son ______ himself?
It is well known that Madam Curie won two Nobel Prizes for her scientific ______.