The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat.
When the Indian Ocean earthquake and tsunami(海啸), the worst—ever natural disasters, happened, the people there _____ heavy losses.
Lily regretted ______ to Mary’s birthday party last Sunday.
Mrs. Taylor has an 8-year-old daughter who has a(n) ______ for painting—she has won two national prizes.
Little Tom admitted ______ in the examination, ______ the teacher his word that he wouldn’t do that again.
Mr. Harris apologized ______ the children ______ the lady ______ what they had done.