题目内容

You have to work hard if you want to __________ in your courses.

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__________ after you left, a girl came into our office looking for you.

At first, the course was a bit difficult for me but I __________ to pass the final exam with a fairly good grade.

Mary is my best friend and I always __________ my secrets (秘密) with her.

The lost traveler was filled with __________ when he saw a bear (熊) running toward him.