brown
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.
¾It’s getting dark, but Mr.Johnson is still at his office. ¾No surprise.Who else can ______ he does?