Finally the slave trade was in 1807.

I was out of town at thetime, so I don’t know exactly how it ____.[ ]

30 Jennifer, who is my best friend, said she would go abroad for further education __________

Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom [ ]

To achieve a bright future, we should study hard keep in good health.—I agree with you.