1 . Don’t worry. I will __________all my efforts on finding your possessions.   (专注)(根据汉语提示单词拼写)

2 . With his attention ________ (concentrate) on the lecture, he didn’t pay any attention to his cellphone. (所给词的适当形式填空)

3 . Her worry makes it impossible for her to c___________ on her work.(根据首字母单词拼写)

4 . I sometimes have trouble ________ (concentrate) on my task if there is much noise. (所给词的适当形式填空)

5 . C________ my mind on my work, I didn’t notice the car was coming near. （根据首字母单词拼写）

6 . I can’t c________ on my work. There is so much noise going on outside. （根据首字母单词拼写）

7 . He c ________ all his attention on his novel, so he didn’t notice me come in . （根据首字母单词拼写）

8 . The confusing matters make him unable to c________ on his study. （根据首字母单词拼写）

9 . Do keep your eyes ____________ (集中) on the prize and never give up.

10 . 1 can't   _____（集中注意力）on my study with all that noise going on. （根据汉语提示填空）