21. All these changes will lead to ______ stronger and more powerful China, ______ country that can surprise and enrich our planet．
A. a；a B．a；the C．the；a D．the; the
22. ______ has been reported in the newspaper, they were about to have peace talks between the two countries when an accident happened.
A．It B．As C．That D．What
23. The number of the cars owned by Shenyangers is reported to have been over 670,000 already and ______ about 275 cars a day.
A．has increased B．is increasing C．has increased by D．is increasing by
