The old man feels very _________because all his children have gone abroad and his wife _________ for almost two years.
Have you ________ watched the dolphin show in the Ocean Park in Hong Kong?—Not _________.
_______ is Lucy going to leave for America?-In two weeks.[ ]
You really don’t have to worry ________ your weight. You look just right.[ ]
Is this girl your cousin?Yes, is.