1、Many people describe the famous director as a playboy,but this is just____they have made a mistake.In reality,he is a very hard-working film producer.
A.why B.where C.what D.how
2、If the southern states had won the war,____is now the United States might have been divided into several countries.
A.what B.where C.there D.that
3、We know we were getting close to the park____we started seeing the tiger right next to the road.
A.when B.before C.while D.until