题文
If my mother ___ I get a grade of 50 in English exam, she would be angry.
| A．knows | B．knew |
| C．has known | D．would know |
If my mother ___ I get a grade of 50 in English exam, she would be angry.
| A．knows | B．knew |
| C．has known | D．would know |
试题篮
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