单项选择题

Father is busy writing postcards this morning and ______ten so far.

A.wrote
B.was writing
C.has written
D.has been writing

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美起源“摹仿说”这一理论的代表人物有()。
单项选择题
–Shall we go to the cinema tonight？–______，but my hands are full.

A.I’d love to
B.I’d love the idea
C.I’d love it
D.I’d love to do
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