It was April 29, 2011 _____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
students are required to take part in the boat race.
It is the test system,the teachers,that is to blame for the heavy burden of middle school students nowadays。
Having failed in many attempts,the bird managed to escape from the cage.
After several part – time jobs, he’s now got a job in a bank.
Since David ________ downloaded a virus into his computer, he can not open the file now.