Feb. 14,2010, to most Chinese, is not just____ day devoted to people in love, but also _____day to express their care to their family and friends.
20. I got up early this morning, but I ________ so because I was not on duty today.
19. It’s dangerous to have the fire _______ at home all night long.
18. I decided to write about Chaplin, one of ______ films I had seen several years before.
17. Our attention was drawn to the eight-year-old girl who was _______ perfectly at the piano.
16. He made another wonderful discovery, __________ of great importance to science.