题目内容

环境问题已成为旅游开发与管理的“核心问题”之一。

A. 对
B. 错

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We are sure that the environment in our city _______ greatly through our work in the near future.

A. improved
B. was improve
C. has improved
D. will be improved

The pet dog is warm and loving. It ______ as a daughter of my family.

A. treats
B. treated
C. is treated
D. was treated

A new hospital ________ in my town next year.

A. builds
B. built
C. is built
D. will be built

When Tim ______ why he was late for school, he just kept silent.

A. was asked
B. asked
C. was asking
D. is asked