Only after her mother came to help her for the first few months _____ to begin her propjet.
| A．was she allowed | B．she was allowed |
| C．did she permit | D．she permitted |
Clearly and thoughtfully________, the book inspires confidence in students who wish to seek their own answers.
| A．writing | B．to write |
| C．written | D．being written |
________ late in the morning，Bob turned off the alarm.
| A．To sleep | B．Sleeping |
| C．Sleep | D．Having slept |
The girl is a student at Oxford University, _____ for a degree in English literature.
| A．studied | B．studying |
| C．to have studied | D．to be studying |
Every evening after dinner, if not from work, I will spend some time walking my dog.
| A．being tired | B．tiring |
| C．tired | D．to be tired |
AIDS is said________the biggest challenge to both men and women in that area over the past few years.
| A．that it is | B．to be |
| C．that it has been | D．to have been |