【题目】The volunteer spoke as ________ as he could to make the visitors understand him.

【题目】The old couple felt very ________ after their children went abroad a few months ago.

【题目】Ben didn't give up ________ the job was hard and tiring for him in the beginning.

【题目】The headmaster says part-time jobs enable university students ________ more working experience.

【题目】Tim apologized to his neighbor ________ breaking his bonsai (盆景) when playing football.

【题目】The forest was dark and silent during the night. Which of the following is correct for the underlined part?

【题目】The government made laws to prevent the wild environment from the pollution. (改为被动语态)

【题目】I am not interested in playing tennis. Sam isn't, either. (合并为一句)

【题目】Mr. and Mrs. Smith were able to bring up four children though they were poor. (保持句意不变)

【题目】We succeeded in opening the door of the safe with the key Tom gave us. (对划线部分提问)