1.I’ve never seen ______ match before.

　　1.I’ve never seen ______ match before.
　　A.such an exciting B.so an exciting C.such an excited D.so an
excited
　　2.We usually _____ hello to each other.
　　A.tell B.talk C.speak D.say
　　3.She did the exercise again.She forgot _____ it.
　　A.to do B.doing C.do D.did
　　4.There _____ a great number of students over there.The number of the
students ____ five thousand.
　　A.are,is B.are,are C.is,are D.is,is