11. I _______ the truth of your remarks, although they go against my interests.
A. cannot but admit
B. cannot but to admit
C. cannot but admitting
D. cannot help but admitting
12. Theory couldn't do without practice, _______ without theory.
A. practice could do either
B. neither practice could do
C. practice could do neither
D. nor could practice do
13. On our trip out of the country we visited ______ in England.
A. relationship
B. relation
C. relatives
D. person
14. The policeman went from house to house, ______ whether anyone had seen the lost boy.
A. asking
B. interrupting
C. informing
D. introducing
15. To complete the task successfully, we have to get well prepared ______.
A. in advance
B. in detail
C. in turn
D. in force
16. Only two people survived the fire that ______ at midnight.
A. broke out
B. broke off
C. broke up
D. broke down
17. The gasoline ______ destroyed the company and injured many people.
A. explored
B. extended
C. expanded
D. explosion
18. It is nice to travel with ______ paid by your boss, at no cost to yourself.
A. prices
B. costs
C. offers
D. activities
19. The heating system here has an ______ temperature control.
A. aggressive
B. intentional
C. accidental
D. automatic
20. My uncle is great. In our family, he's ______ his cooking.
A. famous about
B. famous with
C. famous for
D. famous in