8. What a nice day! How about the three of us ___________ a walk in the park nearby?
A. to take
B. take
C. taking
D. to be taking
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9. ___________ should not become a serious disadvantage in life and work.
A. To be not tall
B. Not being tall
C. Being not tall
D. Not to be tall
10. Sandy could do nothing but ____________ to his teacher that he was wrong.
A. admit
B. admitted
C. admitting
D. to admit
进行需求分析可使用多种工具,但( )是不适用的的。
A. 层次方框图
B. PAD图
C. 状态转换图
D. IPP图
7. I don't remember __________ a chance to try this method.
A. to have been given
B. to be given
C. giving
D. having been given