1._________ the new policy, we are now having a happy life.
A. Thanks to B. Because C. For D. Thanks for
2. She was________ for helping the murderer to escape.
A. searched B. brought C. arrested D. caught
3. We _______on it for several hours but we haven’t yet reached any conclusion.
A. are working B. work
C. have been worked D. have been working
