题文
If you want to have a good mastery of knowledge，you must_______ what you are being taught in class and make immediate use of it.
| A．depend on |
| B．decide on |
| C．focus on |
| D．keep on |
推荐试卷
If you want to have a good mastery of knowledge，you must_______ what you are being taught in class and make immediate use of it.
| A．depend on |
| B．decide on |
| C．focus on |
| D．keep on |
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