1 . My English teacher is always inspiring us to c_________energy on our studies. (根据首字母单词拼写)

2 . With his attention ________ (专注于) on his homework, he didn't know what was happening outside. (根据汉语提示单词拼写)

3 . My car crashed into a cat with my attention __________ (concentrate) on listening to music. (所给词的适当形式填空)

4 . With the noise going on, I found it hard to c________ on my work. (根据首字母单词拼写)

5 . I’m c________ my attention on preparing for tomorrow’s experiment. (根据首字母单词拼写)

6 . As a senior high student, we find it quite important ______ (concentrate) on the teachers in class, which can improve our understanding of the contents. (所给词的适当形式填空)

7 . ______ (concentrate) on their research, the scientists didn’t sleep for a whole night. (所给词的适当形式填空)

8 . Feeling anxious, I fail to c_______ on the exam paper. (根据首字母单词拼写)

9 . Let’s c________ on the matter in hand for now and leave other issues till later. (根据首字母单词拼写)

10 . C________ on what your teacher says in the class, or you may miss something important. (根据首字母单词拼写)