Ⅰ. 用所给词的适当形式填空
1. I feel doubtful(doubt) about his ability to do the work.
2. His task is to ensure the fair use and storage(store) of personal information held on computer.
3. To a new environment, there will be a process of adaptation (adapt).
4. He receives his wages weekly(week).
5. We are naturally concerned(concern) about the future.
6. He first entered Britain on a six-month visa, and was given a further extension (extend) of six months.
7. This book is about systematic(system) and methodical training.
8. We received over 300 enquiries (enquire)about the job.
9. She comes from a privileged (privilege) background.
10. Bill was among the first to gain entry (enter) to Buckingham Palace when it opened to the public recently.