Mary， have you finished the novel？
Oh no，I am too busy it． Professor Li asked me to hand in my math paper this week．（ ）
| A． |
reading； reading |
B． |
to read； reading |
| C． |
reading； to read |
D． |
to read； to read |
Mary， have you finished the novel？
Oh no，I am too busy it． Professor Li asked me to hand in my math paper this week．（ ）
| A． |
reading； reading |
B． |
to read； reading |
| C． |
reading； to read |
D． |
to read； to read |
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