improve her English Jenny bought a lot of tapes for herself. A. So as toB. In order thatC

问题补充：

improve her English, Jenny bought a lot of tapes for herself.

A. So as to

B. In order that

C. So that

D. In order to

答案：

A. So as to

B. In order that

C. So that

(答案→)D. In order to

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