It was Feb 8 2014 (Beijing) ___the opening ceremonies of the 2014 Winter Olympics ___ in Russia.
People think it quite _______delight when the computer was first wildly used in _______1990s.
There were seven people killed in the accident,four children________.
When ________different cultures,we often pay attention only to the differences without noticing the many similarities.
This was a really difficult question,but a little boy ________a good answer.
This company earned a lot of money. As a result,the members' personal income rose by a(n)________of 13 percent.