For a few students, it’s difficult _______ school.
Bin Laden was killed May 2, 2011.
Gelivable (给力) has become hot word this year.
—Do you know_______?—Yes. At about twelve. I was just about to go to bed.
In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs,...
—There are 60 students in my class and 44 of them use weibo veryoften.—44? That means about_______of your classmates are weibo users, right?