Work hard , you will fail the exam .
Mary and Joy are ____ Class One. They are ____ the USA.A. from; in B. in; fromC. to; from D. in; to
—____, are you Ben? —No, I’m not. I’m Peter.
Kangkang won the first place in the _______ in the school sports meet last week.
We should _______ the school rules as students.
Bob came to China with her mother __________ the third time in 2008.