6. Our son doesn‘t know what to ________ at the university; he can’t make up his mind about his future.

A) take in B) take up C) take over D) take after

7. Although they plant trees in this area every year， the tops of some hills are still ________.

A) blank B) hollow C) vacant D) bare

8. Being a pop star can be quite a hard life， with a lot of traveling ________ heavy schedules.

A) with regard to B) as to C) in relation to D) owing to

9. Tony is very disappointed ________ the results of the exam.

A) with B) for C) toward D) on

10. William Penn， the founder of Pennsylvania， ________ defended the right of every citizen to freedom of choice in religion.

A) peculiarly B) indifferently C) vigorously D) inevitably

6-10 BDDAC