1. 說實話，我對湯姆的學業(yè)有幾分擔心。
    ______ ______ ______, I am ______ of worried about Tom's schoolwork.
2. 如果不是水盡糧絕，我們將不會停止宿營。
    We won't stop camping ______ we ______ ______ ______ food and water.
3. 你應當把鑰匙藏在除了我倆誰也找不到的地方。
    You should ______ the keys ______ ______ ______ us two.
4. 工人們靠自己的力量最終生產(chǎn)出了這種主要針對國外市場的新型玩具。
    The workers ______ ______ themselves and finally produced the new type 
    of toys which mainly ______ ______ the foreign markets.
5. 即使有許多人不同意，他也會堅持自己的想法。 
    ______ ______ many people don't agree with him, he will still ______ ______ 
    to his own idea.