【题目】All the classmates burst into l when David acted out the episode.（插曲）

【题目】When we fail to ____ our own expectations, we often feel frustrated.

【题目】He thought I had known the fact. But a, I knew nothing about it.

【题目】He learns ____ wealth does not buy happiness and _____ friends are more important than a fancy education.

【题目】After checking the patient, the doctor ran out of the room, ____ a deep sigh.

【题目】Last Friday, I helped my father ____ chemicals on apple trees to kill insects.

【题目】The park was ___ with lawns, trees, fountains and a big lake in the center.

【题目】Bush says he a great importance to U.S.-China ties.