【推荐1】We are confident ________ the environment will be improved by our further efforts to reduce pollution. （用适当的词填空）

【推荐2】He built up a factory which produced things ________ I had never seen before. （用适当的词填空）

【推荐3】__________ we shall be late is certain. （用适当的词填空）

【推荐2】__________ will be sent to help them is very important.

【推荐3】Today, the Longji Rice Terraces attract thousands of visitors ______ come to admire this great wonder created by people and nature working together. (用适当的词填空)

【推荐1】The town ________we visited last month is the one ________the famous painter was born. (用适当的词填空)

【推荐2】This is the best book ________ I have ever seen. (用适当的词填空)

【推荐3】The reason ________ he explained at the meeting was ________ he didn’t catch the first bus. （用适当的词填空）

【推荐1】Someone ________ is competent is efficient and effective in their work. （用适当的词填空）

【推荐2】It is hard to defeat a person ___________ never gives up. (用适当的词填空)

【推荐3】Do you know the boy ________ was praised at the meeting? （用适当的词填空）