______improve his oral English, he took part in the summer course

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

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

______improve his oral English, he took part in the summer course

   A. So as to       B. In order to       C. So that           D. In order that

________improve her pronunciation，my daughter listens to English on the radio every morning.

A．So as to                               B．In order that

C．So that                                 D．In order to