1. If city noises ____ from increasing，people ____ shout to be heard even at dinner．
A． are not kept；will have toB． are not kept；have
C． do not keep；will have toD． do not keep；have to
2. The fifth generation computers, with artificial intelligence, are ____and perfected now.
A. developed B. have developed
C. are being developedD. will have been developed
3. --- ____ the sports meet might be put off．
--- Yes，it all depends on the weather．
A． Ive been told B． Ive toldC． Im told D． I told