It was reported that the government official expressed the deepest ______ to the families of those killed and injured in this attack.

Wind power is an ancient source of energy ____ we may return in the near future.[ ]

sor Wang , _______ for hisinformative lectures, was warmly received by his students.

_____ from his accent, he must be from Hunan.[ ]

The new Hukou(户口) policy, according to some experts, ______ to attract more high-end talents to contribute to Shanghai’s development