Do you work near the church?

你在教堂附近工作吗？?

How many pieces are you going to order?

你要订几张？

I locked all the doors.

我锁好了所有的门。

I ought to write a letter.

我应该写一封信。

In university, students are trained to become teachers and engineers.

大学的学生被训练成为教师和工程师。

Please come in and have a orange.

请进来吃一个桔子。