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
—Why didn’t you answer my phone at 10 am? —I for my decayed tooth in the clinic.
—Which of those electronic dictionaries do you like most? — . They are both expensive and of little use.
no modern technology, the Egyptians had to move each stone by hand.
The accident that happened at an oilfield the southeast coast of the USA has caused great damage to the environment.
I am familiar with his work and look forward to of his view on literary and artistic creation.