April 21 was the national memorial day ____ were killed in Yushu Earthquake on April 14 2010.A in honor of any one who B in celebration of those whoC in memory of whoever D in charge of no matter who
In that terrible earthquake, ______ who were killed ______ more than 20,000.
--- What would you do if it ______tomorrow? --- We have to carry it on, since we’ve got everything ready.
The policeman warned the driver ______ so carelessly.
The old town has narrow streets and small houses ______ are built close to each other.
People all over the world are all ______ about the relationship between China and Japan.