1. believe vt.相信; 信任; 以为
例句:Whom should we believe?
我们应该相信谁呢?
2. solve vt.解决; 解答
例句:We solve this problem by applying the powerful concept of a model.
为了解决这个问题,我们使用模型这种强有力的概念。
3. complete vt.完成,使完满
例句:By their joint efforts they managed to complete the project on time.
他们通过共同努力总算按时完成了计划。
4. attend vi.出席; 致力于,献身于
例句:If you don' t attend to the lecture, you won' t understand.
如果你不用心听讲,你就不会懂。