【题目】In the famous TV program I AM A SINGER, Hacken Lee was (伴奏) at the piano by LangLang in order to impress the audience.

【题目】It is too early to tell whether Mr. Smith has obtained such a (便宜货).

【题目】Students are encouraged to pin some social practice.

【题目】Kids have a natural d for knowledge.

【题目】Soldiers are trained to o orders without question.

【题目】The students are not allowed to leave school unless they get the aof their head teacher.

【题目】The document__________to five copies and latter it was destroyed.

【题目】The palace caught fires there time in the last century, and little of the__________building remains.

【题目】Recent years have w the rapid development of Artificial Intelligence.