【单选题】Some cities grow very large because of two important reasons. First, there may be important natural resources like wood, gas, oil, rivers or harbors near or in the city. Natural resources like wood or...
【简答题】用所给单词的适当形式填空。 1. These shoes are much too __ __ (big) for me. 2. It is very ____ (important) for us to learn maths well. 3. Now John works ___ _ (careful) than before. His parents are proud of him. 4....