_____ these experiments were successfully completed would we think of going into humans.
. He regretted______ to the lecture the day before.
After a two-hour talk, she______ the truth of the report. A. was persuaded B. was believed in C. was convinced of D was advised
— Shall we go shopping in the Walking Street on Sunday? —______.
. Dr. Smith, together with his wife, ______ visit Beijing this summer.
. I advises the thief______ into prison.