科目： 來源：czyy 題型：
| His mother often helps him ___ English so he does better ___ English than others. |
A. with; in B. on; in C. in; with D. with; at |
科目： 來源：czyy 題型：
| ____ the help of the teacher, Tom has made rapid progress ____ his studies. |
A. For; at B. Of; for C. By; on D. With; in |
科目： 來源：czyy 題型：
| The American Civil War lasted four years before the North won ____ the end. |
A. by B. at C. in D. on |
科目： 來源：czyy 題型：
| She lived in the mountain village ____ the years 1940-1950. |
A. between B. during C. in D. since |
科目： 來源：czyy 題型：
| Mr Brown had lain ____ the ground ____ four hours before they finally found him. |
A. on; for B. at; in C. on; after D. in; during |
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