1.Though a skilled worker, _____（ 他被公司解雇了 ） last week because of the economic crisis.
    2.He was disabled from birth, but he never felt frustrated, __（ 也從未屈服于任何困難 ）.
    3.The little boy next door has been beating his drum for a whole morning, which got on my nerves so much __（ 以至于我無(wú)法集中注意力學(xué)習(xí) ）.
    4.The scientist tried to convince us that a tiger would not attack us __（ 除非它走途無(wú)路 ）.
    5.The nation ' s population continues to rise ______ （ 以每年 1200 萬(wàn)人的速度 ）
    6.（如果你設(shè)法與Smith先生取得聯(lián)系）___the problem will be solved easily because he is an expert in this field.
    7.The problem lies in how people look at those students ___（專心追求知識(shí)的）.
    8.On Children's Day, kids ___有資格免費(fèi)進(jìn)入） to all the city parks.
    9.The restaurant next door serves good food, but the one across the street is much better ___（就服務(wù)而言）.
    10.___（每當(dāng)天氣不好時(shí)）, he takes whatever umbrella he can find.
    11.Animal experiments will continue to be necessary to resolve existing medical problems ___（ 盡管一些人公開反對(duì) ）.
    12.Professor Clark was a bit strict with us, ____（ 但我們確實(shí)從他那里學(xué)到了很多 ）.
    13.The more you explain, ___（ 我愈糊涂 ）.
    14. He has done so much for the poor in his community that ___（ 再怎么贊揚(yáng)他都不過(guò)分 ）.
    15.Since my childhood I have found that __（ 沒(méi)有什么比讀書對(duì)我更有吸引力 ）