1. If I were in _______ position of the mayor, I wouldn’t allow _______factory like this standing on the bank
of the Yangtze River.
A. the；不填 B. the；a C. a；the D. \；the
2. —Hasn’t the thief admitted his crime by now?
— No, ______ questioned many times.
A. if B. unless C. though D. once
3. Bob's lectures a fairly wide range and I can't sum up what he says in a few sentences.
A. considered B. conveyed C. covered D. commanded
